Dodecyl Benzene Sulfonic Acid (DBSA): An In-Depth Commentary

Historical Development

Dodecyl Benzene Sulfonic Acid, known in the industry as DBSA, surfaced in the cleaning products wave of the mid-20th century when new demands for effective, reliable detergents triggered a search for better surfactants. Chemists looked for molecules that could break oily barriers on everything from laundry to industrial surfaces. DBSA checked those boxes, and research papers from the 1960s and 1970s show rapid growth in sulfonation methods that transformed raw linear alkyl benzenes into useful cleaning agents. I remember learning how sulfonated alkylbenzenes replaced soap in some markets, cutting through hard water issues. Manufacturers quickly saw DBSA as an essential building block in household and industrial cleaning. From there, the molecule didn’t just find a home under the kitchen sink: it fed into industrial cleaning supplies, textile auxiliaries, and more as its unique features and efficiency became clear.

Product Overview

DBSA is an organic surfactant that appears as a yellowish, viscous liquid with a potent smell and high acidity. Its function comes from its ability to bring oil and water together, helping dirt and grease come off surfaces easily. You’ll see it in laundry detergents, liquid soaps, and sometimes in concrete admixtures. Its role stretches into areas where surface-active agents must break tension and carry away all sorts of grime. The molecule’s structure – a long dodecyl tail joined to a benzene ring sulfate group – lets it wedge into oily messes and pull them apart with water. Anyone who has tried to wash engine grease off with and without a DBSA-containing product notices the difference.

Physical & Chemical Properties

DBSA’s physical properties give clear hints about its applications. It looks like a syrup, slightly yellow or brown. It feels oily and sticky if you get it on your fingers, which isn’t recommended without gloves because of its strong acidic bite. The molecular formula, C18H30O3S, and its molecular mass around 326.5 g/mol influence how it dissolves and how it reacts. It mixes with water just enough to form the kind of emulsions cleaning products need, but it keeps its acidic character. DBSA melts at about 10–15°C and boils above 315°C under ambient pressure. Technicians working with it know it foams well and doesn’t break down easily in typical storage conditions, making it reliable across diverse climates.

Technical Specifications & Labeling

Quality control always comes into play when handling strong acids in bulk. Technical sheets often cite purity percentages above 95%, acid values measured in mg KOH/g, and color measured with APHA standards. Odor, color, and consistency get checked batch by batch. Labs keep an eye on residual unsulfonated oil, free sulfur trioxide, and trace metals, which can affect performance or cause regulatory headaches. Beyond numbers, safety data sheets warn about concentrated DBSA’s corrosiveness, strict labeling for transport, and clear hazard pictograms. An operator in a plant handling DBSA quickly gets to know the sharp chemical smell, but they trust their face shield, gloves, and fume hoods. Getting labeling right isn’t just about rules—it’s about keeping workers and shipments safe.

Preparation Method

Making DBSA starts with dodecylbenzene, which comes from alkylating benzene with dodecyl chloride or olefin, usually in the presence of an aluminum chloride catalyst. The resulting alkylbenzene then flows into a sulfonation reactor, where fuming sulfuric acid or sulfur trioxide reacts with the benzene ring to insert the sulfonic acid group directly. After that, manufacturers neutralize, wash, and possibly bleach the product, depending on whether they want a sodium salt or to keep it as the acid. Plant operators often watch for careful reaction control — too much heat or too fast a rate leads to dark byproducts and a drop in performance.

Chemical Reactions & Modifications

DBSA itself acts as a strong acid and is highly reactive towards bases, forming the well-known dodecyl benzene sulfonate salts after neutralization. These salts make their way into finished cleaning products. Beyond basic neutralization, chemists sometimes tailor the hydrophobic tail or the benzene ring to tweak solubility or degradation rates. Too much modification, though, risks losing performance. Over-sulfonation and branching can make the molecule persisting environmental concern – which spurred some earlier opposition to its widespread use before improvements in the linear chain versions reduced this issue.

Synonyms & Product Names

In the trade, DBSA might go by Linear Alkyl Benzene Sulfonic Acid (LABSA), Alkyl Benzene Sulfonic Acid, or just Sulfonic Acid C12. Globally traded, it can pick up names like Dodecylbenzenesulfonic Acid, Laurylbenzenesulfonic Acid, and LAB Acid. Labels differ, but the backbone molecule rarely changes. I’ve seen import documents where “DBSA” gets scribbled out and replaced with “LABSA”—the end-user cares more about baseline purity and concentration than what the paperwork actually calls it.

Safety & Operational Standards

DBSA poses serious hazards if handled improperly, and plant safety programs treat it with respect. Its strong acidity can burn skin and eyes, and inhalation of vapors causes lung irritation. Workers rely on acid-resistant gloves, goggles, and full-face shields, along with emergency showers and eyewash stations. Good ventilation keeps airborne concentration low, and transfer lines and bulk tanks require corrosion-resistant materials—stainless steel or certain plastics. Each drum and pallet leaves a paper trail with hazard labels, so responders know exactly what they’re dealing with in a spill or fire. Safety training goes beyond the basics—handling DBSA is never routine for veteran operators.

Application Area

Industrial cleaning makes up the core market for DBSA. In laundry and household detergents, the acid or its sodium salt acts as the main grease-remover and foam builder. DBSA pops up in textile washes, dye dispersing, hard surface cleaners, emulsifiers for pesticide formulations, and even as an additive in oil recovery fluids. Some construction sites use DBSA-based additives to improve concrete flow—a good pour can depend on DBSA’s surfactant properties. It also fills niche roles in manufacturing rubber, plasticizers, and electroplating baths. Its advantages—effective emulsification, low cost, and robust supply chains—mean that substitutes have a tough time replacing it entirely, despite occasional environmental concerns.

Research & Development

Research teams keep looking for ways to make DBSA with fewer byproducts and lower emissions. Advancements in direct sulfonation methods using gaseous SO3 have trimmed energy use and reduced unwanted reactions. Academic labs often test biodegradable alternatives, but after years of chasing next-generation surfactants, DBSA still holds its ground because of performance and price. More effort now shifts to making its production greener, capturing sulfur dioxide, and recovering process water. New work explores using renewable dodecyl sources, extracting from vegetable oils. As regulations toughen, especially in Europe and California, I’ve watched companies speed up R&D spending on both process safety and end-of-life degradation.

Toxicity Research

Questions over DBSA safety started as soon as its use expanded beyond industrial floors and into waterways and homes. Animal studies pinpoint corrosivity as the main risk; undiluted DBSA eats through tissue. Environmental data show acute toxicity to fish and invertebrates at low concentrations. Concerns over bioaccumulation led manufacturers to switch from branched to linear alkyl chains, and this one change cut the environmental impact dramatically. Modern monitoring suggests that DBSA, in its linear form, breaks down over days in wastewater systems, especially when complemented with good sewage treatment. Direct contact in humans needs strict avoidance. Proper dilution and neutralization make most finished products safe, though occupational health studies still watch for chronic effects, especially skin and eye irritation with high exposure.

Future Prospects

The future of DBSA rests in balancing performance, price, and environmental responsibilities. Traditional markets hold steady, but regulatory and consumer demands push for surfactants that break down quickly and come from renewable sources. Companies invest in developing sustainable production routes and biodegradable variants. Ongoing research dives into better purification, recovery of waste acid, and even more selective catalysts that can work under milder, less hazardous conditions. With green chemistry principles guiding investment, DBSA as a product will probably adapt rather than disappear. In my view, industries that rely on DBSA—including cleaning, textiles, and construction—will keep pushing its producers to do more with less, turning sustainability from a buzzword into a market driver. Regulatory agencies, environmental groups, and the chemical industry remain intertwined in how DBSA evolves. That debate is likely to sharpen, but the molecule’s central position in daily life is secure for now.




What is Dodecyl Benzene Sulfonic Acid (DBSA) used for?

What Drives Demand for DBSA?

Pop open a bottle of dish soap, take a look at car care products, or consider the cleaning power in many household detergents — dodecyl benzene sulfonic acid, known as DBSA, shows up more often than folks realize. It’s a strong surfactant, which means its molecules grab onto both oil and water, breaking down grease and grime in a way that water alone simply can’t manage.

Why Use DBSA in Everyday Products?

People want products that make cleaning less of a chore. Manufacturers turn to DBSA because it brings reliable performance at a reasonable cost. It foams well, so sudsy action helps with the psychological side of cleaning — most folks like to see bubbles as proof that a soap is doing its job. Sometimes that confidence turns a tough kitchen scrub into an easy rinse.

Its acid form also lets chemical companies fine-tune detergents and cleaners. DBSA works in both acidic and alkaline environments, so it powers through mineral deposits in toilet bowl cleaners while helping laundry detergents attack food stains. Choosing DBSA helps soapy mixtures cut through motor oils and fats, which is why it shows up in heavy-duty degreasers in garages and auto shops. Cleaners without it often struggle with tough, greasy work.

Potential Risks and Health Considerations

DBSA isn’t gentle and it can irritate skin or eyes, especially in concentrated form. Industrial workers who handle DBSA wear gloves and goggles. Households don’t see the same concentrations, yet people with sensitive skin sometimes notice redness or dryness from overusing harsh cleaners. Environmental groups keep a close eye on surfactants like DBSA because, in large amounts, they can harm aquatic life. The industry follows strict guidelines — manufacturers dilute it heavily in the finished products and wastewater management regulations set limits on what can be discharged.

What Could Make DBSA Safer or Better?

Reformulation happens every year as companies respond to health, safety, and environmental rules. Some turn to greener surfactants — for example, using substances made from coconut or palm oil. Others push for better wastewater treatment and lower residuals in the wash water headed to treatment plants. While DBSA’s cleaning action sets a high standard, pressure mounts for both performance and safety improvements.

There’s also the question of sustainable sourcing and the larger conversation about petrochemicals. DBSA comes from petroleum-derived chemicals. As renewable products improve and prices shift, more companies experiment with alternatives that offer similar cleaning action. Substituting isn’t always easy; consumers want effective cleaners and aren’t quick to tolerate changes in performance.

How Should We Think About DBSA?

People want their homes, clothes, and tools to stay clean without hassle. DBSA in modern detergents offers strong performance, and its track record shows it works in a huge range of products. Safety matters though, and as regulations tighten, science keeps pushing for better formulas. Looking toward the future, a mix of careful use, better packaging, and smarter chemistry could help balance effectiveness with responsibility, so that cleaning stays easy without harming people or the environment.

Is DBSA safe to handle and what precautions should be taken?

What Makes DBSA Tricky in the Lab and Industry

Dodecylbenzenesulfonic acid, better known as DBSA, shows up in many settings. Some folks find it in cleaners, while others see it as a catalyst or surfactant for polymer work. DBSA packs a punch because of its power to change how molecules behave, but its strength is exactly what brings headaches on safety.

DBSA and Your Health: Why Care Matters

I sweat a bit every time I read a new Material Safety Data Sheet—and DBSA’s page brings a few real concerns. Getting the liquid on skin or in eyes leaves behind nasty burns. The same goes for inhaling the vapors. Anyone splashing around with DBSA will feel it on their hands—slippery at first, then painful once it gets through the defenses.

Stories from the field back this up. After an accidental splash, a lab mate of mine ended up at the clinic. Even with gloves, a tiny tear made the difference. This isn’t rare. The chemical’s acidity eats through a lot of standard protective gear, and fumes stick around longer than people notice.

Environmental Stakes

DBSA doesn’t just threaten people, but the rivers and soil near plants using the stuff. Runoff seeps into streams, impacting fish and other creatures. Evidence shows sulfonic acids lingering in water systems for months. Municipal treatment plants struggle because DBSA resists easy breakdown. Over time, stubborn chemicals like this pile up, so dumps and drains can’t become escape routes.

Real Precautions, Not Empty Protocols

Some companies say they’re careful with chemicals, but field reports tell a different story. Just wearing thin nitrile gloves won’t cut it. Rubber gloves with a decent thickness and long cuffs help. I always pick up goggles that cover the side of the eyes and throw on a face shield for pouring.

Fume hoods should run for small jobs. Storage away from moisture and oxidizers stays important, since DBSA reacts fast with water and creates heat. Good ventilation beats a fan in the doorway. Source air from outside and leave nothing to chance. Every worker should stand through a proper spill drill—not just once, but every month where possible.

For cleanup, neutralizing spills with a basic solution—sodium bicarbonate works well—turns DBSA into something less nasty. Letting it soak up on spill pads then moving everything to proper containers keeps mishaps contained. Never send DBSA waste down the tap. Find the right hazardous disposal firm and make sure they follow local regulations, since city rules can surprise even seasoned crew members.

Why Better Habits Matter

Rushed jobs sideline safety. DBSA isn’t the biggest chemical risk in industry, but familiarity breeds errors. I watched labs cut corners on goggles, and more than one production floor saved money on gloves—until burns and hospital bills ate their savings.

Big companies make safety slogans, but workers watching out for each other makes the most difference. If someone spills, nobody hides it—all hands grab the baking soda. Quality safety training sticks better when taught by people who have burned fingers, not just a video slideshow.

Treated with respect, DBSA works wonders. Yet chemicals don’t forgive shortcuts or ignorance. Learning from mistakes—mine included—keeps work safe and the river clean. Every bottle deserves a second look before the cap turns. That’s not fear; that’s just practical stubbornness in the face of risk.

How should DBSA be stored and transported?

Why Getting DBSA Handling Right Matters

DBSA, or dodecylbenzenesulfonic acid, serves as a workhorse in detergents, emulsifiers, and specialty chemical manufacturing. Anyone who's spent time in a chemical warehouse knows its potency. Spills or missteps with DBSA don't just create mess—they cause genuine safety headaches for workers, equipment, and even the surrounding community. I’ve seen plenty of near-misses over the years, mostly from folks underestimating how reactive this substance can be, especially with water or incompatible materials.

Choosing the Right Storage

Simple mistakes—improper containers, poor labeling, wrong location—invite trouble. DBSA belongs in high-density polyethylene (HDPE) drums or tanks with solid chemical resistance. Stainless steel offers another option, provided maintenance teams stay on top of corrosion checks. Ordinary steel corrodes and contaminates the chemical, so plastic or lined tanks often make more sense.

Store DBSA in a cool, covered area, shielded from sunlight and direct heat. Too much warmth, and the acid degrades or reacts. Humid warehouse environments invite moisture, leading to hydrolysis or dangerous pressure build-up inside drums. I’ve seen condensation sneak in through cracked seals, triggering expansion and leaks. Vigilance, routine inspections, and a tidy, dry storage area go a long way.

DBSA fumes can get strong, so ventilation shouldn’t become an afterthought. I’ve worked in places trying to save on costs by skipping proper HVAC; the result is headaches, coughing, and disgruntled staff. In a closed, poorly ventilated room, fumes unsettle not just workers but also downstream product quality.

Transport Precautions: Beyond Compliance

Shipping DBSA by road or rail means following dangerous goods codes—there’s no shortcut around that. But rules never cover every real-world risk. Shock-absorbing pallets, slip-resistant drum bases, and strapping help keep cargo steady. I’ve seen drum stacks wobble from uneven floors in truck beds, leading to ruptures when the trailer hits a pothole.

Proper markings—hazard diamonds, UN numbers—help emergency responders, but clear consignment paperwork proves just as crucial. Drivers should always know what they’re hauling and what to do if something goes wrong. Some companies run regular “what-if” drills for spills, and honestly, every team gains from that muscle memory.

Transport during extreme weather always carries the highest risk. Overheated trucks parked in full sun drive up drum temperatures, sometimes enough to warp the plastic or push DBSA past safe storage thresholds. Refrigerated or insulated containers keep things manageable, especially for longer hauls.

Staying Safe—Every Step, Every Person

Training plays a bigger part than most realize. Reading SDS sheets and ticking compliance boxes matters, but practical demonstrations—how to spot a bulging drum, using neutralizers, donning the right gloves—make a lasting difference. I remember one of my early mentors repeating: “You can’t assume everyone read the label.” He was right. In my time, even veteran forklift drivers overlooked small leaks, and only sharp-eyed, well-trained colleagues caught problems early.

Firefighting gear, eye wash stations, spill kits—these shouldn’t collect dust in the corner. Keeping them well-placed and ready saves critical minutes. Strong safety culture comes from open conversations, not just memos. Teams that raise concerns and share tips help prevent mistakes before they snowball.

Preventing Issues Before They Start

Practices that work: Keep inventory low so stored volumes never overstay their welcome. Inspect, rotate stock, fix minor container damage before leaks start. Use digital tracking or checklists if volumes get high or multiple sites take deliveries. Smart managers walk the floor often, watching for forgotten pallets, damaged drums, blocked aisles—anything that could make a small problem much worse.

Safe DBSA handling doesn’t rely on luck. Strong habits, ongoing training, and thoughtful logistics planning shield workers, products, and neighborhoods from disaster.

What are the typical concentrations or grades of DBSA available?

DBSA Grades: What the Market Offers

DBSA, known in full as dodecylbenzenesulfonic acid, does a lot of heavy lifting across the chemical landscape. Anyone who’s worked in cleaning product plants or the polymer business knows this ingredient has very specific needs, starting with its purity and concentration. From my own shifts running process lines in a detergent factory, I can tell you that getting these numbers right can mean the difference between a batch recall and a product that sits on shelves in every supermarket. With DBSA, mistakes aren't just costly—they slow everyone down and waste resources.

In the bulk chemicals trade, DBSA rarely comes in just one flavor. A pretty standard concentration you’ll run into is around 96% active content. This isn’t random. Producers stick with this figure because it balances strength and ease of shipping. Diluting beyond this point tends to make it too watery for many formulations, especially if you’re trying to blend dense pastes or work on processes where every gram counts toward final product quality. Some producers also offer DBSA closer to 80% purity, often neutralized and in liquid form, which makes it easier to handle in applications demanding less corrosive behavior. If your operation deals with more fragile equipment or end-users want an ingredient that isn’t as harsh, these forms save a lot of headaches.

Why Concentration Choices Matter

From a safety perspective, that 96% DBSA packs a punch. If you’ve spilled any, you’ll know what I mean—the burn lingers and the clean-up stings. Sites with newer or less robust equipment commonly use the lower grades just for safer handling. I remember an old manager saying: “It’s faster to handle five drums of 80% than send three folks to the clinic.” From an environmental angle, higher grades often mean less waste. If your DBSA batch arrives more concentrated, you’re not hauling extra water halfway across the country. Lower transport costs, smaller carbon footprint.

Polymers and resins have their own quirks. Sometimes manufacturers need DBSA at a technical grade, where even that last percentage point of purity can make or break the catalyst system. In specialty plastics, just a trace of impurity changes flexibility, so the right concentration is about more than just cost or convenience—it shapes the quality of millions of finished parts. For cleaning products, especially the kind that end up washing dishes or clothing, people count on DBSA at just the right strength because it breaks up grease without breaking down piping or leaving residues behind. I’ve fielded calls from customers worried about gray streaks or odd smells, often traced back to small missteps in concentration choice.

Can We Do Better? Practical Thoughts on DBSA Use

Some chemical makers look to on-site dilution, letting companies buy at a higher concentration and blend as needed. It’s a smart move in large-volume operations, where every percentage point can be tuned for the final product. Traceability also improves as each batch maintains a clear lot number, which is a win for safety and audit requirements. Producers sharing clear data sheets, with details beyond just “active acid”—like sulfur dioxide content, color, even trace impurity levels—help end users avoid pitfalls. Those on the receiving end of DBSA can demand this extra information to steer clear of costly process tweaks or final product failures.

For operations in regions where chemical handling laws are getting tighter, transparent sharing on DBSA concentration and impurities is more than just helpful: it's crucial. Consumers trust the people making detergents and plastics to use ingredients that are both effective and safe, and every link in the chain has a role in keeping that trust alive. Standard concentrations in DBSA don’t just reflect technical limits; they show the ongoing tug-of-war between efficiency, safety, and environmental responsibility—something everyone in the business knows matters as much as any bottom line.

How can DBSA be neutralized or disposed of safely?

Understanding DBSA in Everyday Terms

DBSA, or dodecylbenzenesulfonic acid, never shows up in everyday conversation, but this chemical has a footprint in plenty of industrial cleaners, laundry detergents, and even as a catalyst in making plastics and epoxy resins. In labs, I have seen bottles of DBSA stored under a vent hood, with warning labels that made everyone pause before moving them. DBSA is corrosive. On your skin, it causes burns. Breathing its mist stings your lungs. In rivers or lakes, DBSA harms fish and plant life almost right away. So it’s not just another benign chemical hiding in a container—it needs respect and a sharp eye toward safety.

Why Neutralizing DBSA Before Disposal Matters

Pouring DBSA down the drain—common decades ago before stricter laws—poisoned waterways and cost communities public dollars and public health. The United States Environmental Protection Agency has fined companies for improper disposal of similar sulfonic acids. Fish kills, wildlife death, and ecosystem collapse still result when factories or laboratories cut corners. Safely neutralizing DBSA before it reaches waste streams stands as the critical step for anyone handling this chemical, from the cleaning crew at a major plant to a researcher in a university lab.

How Neutralization Works in Practice

Neutralizing strong acids like DBSA isn’t wizardry. Strong, but cheap, bases like sodium hydroxide (caustic soda) handle the job. Don the full gear: chemical-resistant gloves, apron, goggles, face shield. Never mix chemicals while distracted or alone. In my own laboratory days, a teacher drilled into us the rule to “add acid to base, never base to acid.” Adding DBSA bit by bit to a sodium hydroxide solution under constant stirring prevents splattering and runaway reactions. It generates heat, so going slow keeps everyone safe. pH strips or a handheld meter help stop the process once the mixture reads near neutral—around 7 on the scale. What’s left is water, sodium dodecylbenzenesulfonate (a common detergent ingredient), and salt. Even then, the mix should go into a chemical waste drum, not a public sink, until a trained waste handler collects it for final treatment.

Disposal: No Shortcuts

The real work starts after neutralization. State and local laws almost always require a hazardous waste hauler for anything involving DBSA. There’s no loophole or get-out-of-jail-free card for small users. I have followed teams who log, label, and double-check containers before any waste truck arrives. Echoes of disasters like the Cuyahoga River fire in Ohio or chemical leaks in New Jersey push people to do it right, not fast. Reputable waste handling companies have specialized incinerators and chemical treatment systems. Documentation follows every step, tracking the chemical until it is destroyed or made harmless. This paper trail holds people accountable and protects communities from toxic shortcuts.

Solutions Everyone Should Know

Switching to greener chemicals remains the best long-term fix, but DBSA remains entrenched in industry. So every worker, researcher, and supervisor needs real training, updated safety gear, and a culture that puts caution over speed. Chemical manufacturers and public agencies can spread better guides for neutralization and hold regular safety drills. Whenever possible, companies should look for closed-loop systems that reuse or recycle what they can, always aiming to shrink the footprint of DBSA from cradle to grave.

The Takeaway

Everyone—from university grad students to plant managers—shares a duty to prevent DBSA from becoming tomorrow’s environmental headache. Safe handling, neutralization, and responsible disposal aren’t just compliance—they save lives, dollars, and the places we all call home.

Dodecyl Benzene Sulfonic Acid (Dbsa)
Names
Preferred IUPAC name dodecylbenzenesulfonic acid
Other names DBSA
Dodecylbenzenesulfonic acid
Laurylbenzenesulfonic acid
Dodecyl benzene sulphonic acid
Dodecylbenzenesulphonic acid
Benzenesulfonic acid, dodecyl-
p-Dodecylbenzenesulfonic acid
Pronunciation /ˈdoʊˌdɛs.ɪl bɛnˈziːn sʌlˈfɒnɪk ˈæsɪd/
Identifiers
CAS Number 27176-87-0
Beilstein Reference 1908809
ChEBI CHEBI:85258
ChEMBL CHEMBL1689381
ChemSpider 83123
DrugBank DB11124
ECHA InfoCard 03b5a92a-6c50-4d0a-b8bd-0c70fa9f5fa0
EC Number 246-515-3
Gmelin Reference 1152588
KEGG C10174
MeSH Dodecyl Benzene Sulfonic Acid (Dbsa) MeSH: "Benzenesulfonic Acids
PubChem CID 24743
RTECS number DB2620000
UNII H2808557ZC
UN number UN3265
Properties
Chemical formula C18H30O3S
Molar mass 326.49 g/mol
Appearance Brownish yellow liquid
Odor Characteristic
Density 1.05–1.08 g/cm³
Solubility in water Soluble in water
log P 0.3
Vapor pressure <0.01 mmHg (20°C)
Acidity (pKa) -1.1
Basicity (pKb) ~0.5
Refractive index (nD) 1.1050 - 1.2200
Viscosity 30 – 500 mPas
Dipole moment Dipole moment of Dodecyl Benzene Sulfonic Acid (DBSA) is 2.94 D
Thermochemistry
Std molar entropy (S⦵298) 340.6 J·mol⁻¹·K⁻¹
Std enthalpy of formation (ΔfH⦵298) -669 kJ/mol
Std enthalpy of combustion (ΔcH⦵298) -7785 kJ/mol
Pharmacology
ATC code C07AB
Hazards
Main hazards Corrosive, causes severe skin burns and eye damage, harmful if swallowed, may cause respiratory irritation.
GHS labelling GHS05, GHS07, Danger, Causes severe skin burns and eye damage, Harmful if swallowed or inhaled
Pictograms GHS05,GHS07
Signal word Danger
Hazard statements H290, H314, H302
Precautionary statements P280, P301+P330+P331, P303+P361+P353, P305+P351+P338, P310, P501
NFPA 704 (fire diamond) 3-2-0
Flash point > 140°C (closed cup)
Autoignition temperature > 315°C (599°F)
Lethal dose or concentration LD50 (oral, rat): 650 mg/kg
LD50 (median dose) 500 mg/kg (rat, oral)
NIOSH HO2450000
PEL (Permissible) 1 mg/m³
REL (Recommended) 2 mg/m³
IDLH (Immediate danger) Not established
Related compounds
Related compounds Benzenesulfonic acid
Lauryl sulfate
Linear alkylbenzene sulfonate
Alkylbenzene sulfonate
Sodium dodecylbenzenesulfonate
Dodecyl sulfate