Product Name: Reaction Mass of Benzene Sulfonic Acid, Hexadecyl(Sulfophenoxy)-, Disodium Salt and Benzene Sulfonic Acid, -Oxibis[Hexadecyl]-, Disodium Salt
Other Names: Alkylbenzenesulfonic Acid Disodium Salt Blends; Sulfonated Hexadecyl Phenoxy Benzene Disodium Salt; Oxibis (Hexadecyl)benzene Sulfonic Acid Disodium Salt
Intended Use: Surfactant for industrial cleaning, detergents, emulsifiers, and other formulations
Supplier Details: Manufacturer’s contact information including address, emergency telephone number, and e-mail for detailed product inquiries or incident reporting
Emergency Phone: 24/7 emergency spill, health, and fire hotline number for immediate incident reporting
Date of Issue: Most current revision date for tracking regulatory updates and workplace compliance
GHS Classification: Eye Irritation (Category 2), Skin Irritation (Category 2), Aquatic Chronic (Category 3)
Signal Word: Warning
Hazard Statements: Causes serious eye irritation, causes skin irritation, may cause long-lasting harmful effects to aquatic life
Pictograms: Exclamation mark symbol signaling skin and eye hazards
Precautionary Statements: Wear eye/face protection and gloves, avoid release to the environment, wash hands thoroughly after handling, if in eyes rinse cautiously with water for several minutes, remove contact lenses if present
Other Hazards: Chronic skin exposure may lead to sensitization and dermatitis; accidental release can impact aquatic systems
Chemical Name: Benzene Sulfonic Acid, Hexadecyl(Sulfophenoxy)-, Disodium Salt
Chemical Formula: C22H37Na2O6S2
CAS Number: 123544-49-0
Concentration: 40-60% by weight
Chemical Name: Benzene Sulfonic Acid, -Oxibis[Hexadecyl]-, Disodium Salt
Chemical Formula: C34H62Na2O7S2
CAS Number: 68953-96-8
Concentration: 40-60% by weight
Impurities and Stabilizing Additives: Trace sodium chloride, unreacted alkyl benzenes, water less than 5%
Inhalation: Remove person to fresh air; give oxygen if breathing is difficult; seek medical attention for any respiratory symptoms
Skin Contact: Immediately rinse affected area with plenty of water and mild soap; remove contaminated clothing and wash before reuse; medical aid needed for persistent irritation or burns
Eye Contact: Flush gently with water for a minimum of 15 minutes, lifting upper and lower eyelids; remove contact lenses during flushing; get prompt medical evaluation for persistent pain or blurred vision
Ingestion: Do not induce vomiting; rinse mouth thoroughly with water; give small quantity of water to drink; prompt medical attention advised due to danger of chemical burns or aspiration
Symptoms and Effects: Irritation, redness, swelling, burning sensation, coughing, shortness of breath if inhaled; gastrointestinal upset if ingested
Advice for Doctors: Symptomatic treatment, consider risk of chemical pneumonitis after ingestion or aspiration
Suitable Extinguishing Media: Water spray, dry chemical, foam, or carbon dioxide fire extinguishers for flammable surroundings
Hazardous Combustion Products: Sulfur oxides, sodium oxides, carbon dioxide, carbon monoxide, hydrocarbon fragments
Special Protective Equipment: Full protective clothing and self-contained breathing apparatus for firefighters entering hazardous zones
Specific Hazards: Moderate fire hazard under intense heat; can release toxic fumes; may decompose with heat to form hazardous vapors
Firefighting Instructions: Use water spray to cool containers and prevent reignition; avoid run-off entering drains; collect contaminated firefighting water for disposal
Personal Precautions: Evacuate unnecessary personnel; don appropriate PPE including gloves, safety goggles, and chemical-proof boots; prevent inhalation and skin contact
Environmental Precautions: Prevent entry to drains, surface water, or soil; isolate area and contain spill using dikes or non-combustible absorbent material
Methods for Clean-up: Collect liquid or solid material with non-combustible absorbent; store contaminated material in sealed containers for proper disposal; ventilate spill area post-cleanup
Reference to Other Sections: See Section 8 for personal protective equipment and Section 13 for waste disposal advice
Handling: Handle using chemical-resistant gloves and eye protection; avoid inhalation or contact with skin and eyes; use only outdoors or in well-ventilated area; prohibit eating, drinking, or smoking while using
Safe Storage: Store in original, tightly closed containers away from incompatible substances such as strong acids and oxidizing agents; keep away from direct sunlight and high heat sources; label storage zone with appropriate hazards
Incompatible Materials: Strong oxidizers, acids, moisture-sensitive material
General Precautions: Post warning signs wherever handled; keep fire extinguishing media available
Occupational Exposure Limits: No specific national exposure limits established; recommend following general Workplace Exposure Limits for nuisance dusts (10 mg/m³ inhalable, 4 mg/m³ respirable)
Engineering Controls: Use local exhaust ventilation to control dust and vapor; monitor workplace atmosphere; prevent accumulation above recommended limits
Personal Protective Equipment (PPE): Chemical-resistant gloves (nitrile or neoprene), splash-resistant goggles, face shield for high-risk operations, full coverage lab coat, chemical-resistant apron in bulk handling
Respiratory Protection: Approved respirators with P2 filter for particulate/aerosol risk; follow company respiratory protection program based on risk assessment
Hygiene Measures: Wash thoroughly after handling, before eating, or after work; remove PPE and contaminated clothing before breaks
Appearance: Off-white to pale yellow powder or viscous liquid
Odor: Mild to moderately soapy, may carry faint aromatic notes
pH (1% solution): Around 9–11 at ambient temperature
Melting Point/Range: Decomposes above 200°C (solid form); becomes viscous at low temperatures
Flash Point: Not flammable under standard conditions
Flammability: Not classified as flammable; may support combustion above decomposition temperature
Solubility: Soluble in water, forms foaming solutions; limited solubility in most solvents
Vapor Pressure: Negligible at room temperature
Relative Density: 1.1–1.2 (solid); 1.05–1.12 (solution)
Partition Coefficient: Log Kow not available; expected to have moderate mobility in water
Decomposition Temperature: Above 200°C release sulfur oxides
Viscosity: 200–400 mPa·s for concentrated liquids
Other Information: Product foams in aqueous conditions; may create slip hazard if spilled
Chemical Stability: Chemically stable at standard temperatures and pressures, avoiding excess heat or strong acids
Reactivity: Can react with strong oxidizing agents, acids, or acidic salts producing toxic gases
Hazardous Reactions: Exothermic reaction with concentrated acids releasing sulfur dioxide, risk of splattering and boiling
Conditions to Avoid: Contact with incompatible materials, overheating, excessive moisture, localized heating sources
Hazardous Decomposition Products: Sulfur oxides, sodium oxides, benzene derivatives, smoke, and particulates created by decomposition above 200°C
Acute Toxicity: Oral LD50 (rat) estimated at 2000–4000 mg/kg; considered of low acute oral toxicity at relevant workplace concentrations
Skin Corrosion/Irritation: Moderate irritant; repeated contact may cause dermatitis or dryness
Serious Eye Damage/Irritation: Causes moderate to severe irritation and possible corneal injury
Respiratory Sensitization: Not classified but may aggravate pre-existing asthma or chronic bronchitis
Skin Sensitization: No confirmed reports of allergic contact dermatitis but minimize exposure
Germ Cell Mutagenicity/Carcinogenicity: Not classified as mutagenic or carcinogenic by major regulatory agencies
Reproductive Toxicity: No evidence of developmental hazards in available studies
Other Health Effects: Prolonged inhalation of mists can lead to respiratory discomfort; ingestion may cause gastrointestinal irritation
Toxicity: Harmful to aquatic organisms in concentrated spills, especially fish and invertebrates
Persistence and Degradability: Readily biodegradable in aerobic conditions; breaks down to smaller fragments in wastewater treatments
Bioaccumulative Potential: Low potential based on molecular structure and water solubility; expected to partition to water
Mobility in Soil: Highly mobile due to solubility; may reach groundwater if large volumes released
Other Adverse Effects: Spilled solutions can generate significant foaming, disrupt wastewater treatment, impact aquatic oxygen transfer
Waste Treatment Methods: Dispose of waste and contaminated packaging through licensed chemical disposal contractors; do not release to drains or surface water without neutralization or pre-treatment
Product Disposal: Collect unused and contaminated material in clearly labeled containers; treat as hazardous industrial waste; incinerate at permitted facilities under controlled conditions
Container Disposal: Rinse receivable containers thoroughly before recycling or disposal; comply with local, regional, and national regulations regarding container management
Special Precautions: Do not reuse containers for other materials; triple rinse before scrapping or recycling plastics
UN Number: Not regulated as dangerous goods under ADR, IMDG, IATA in current concentrations and package sizes
Proper Shipping Name: Not classified as hazardous material for transport
Transport Hazard Class: Not assigned
Packing Group: Not applicable
Environmental Hazards (Marine Pollutant): Typically not regulated as marine pollutant but avoid bulk releases into water bodies
Special Transport Precautions: Secure containers against short-term weather, shifting, or rupture in transit; ensure material safety documentation accompanies shipment
Regulatory Status: Substance and mixtures listed in national inventories (TSCA for US, EINECS for EU, DSL for Canada, ENCS for Japan)
Labeling Requirements: GHS-compliant pictograms and hazard statements; clear instructions for safe use, handling, and storage on packaging
SARA Title III Sections 311/312: Immediate (acute) health hazard
OSHA Classification: Irritant, workplace chemical under General Duty Clause
EU Classification: Xi (Irritant), N (Dangerous for the environment) based on EU CLP Regulation (EC 1272/2008)
Other Regulations: State-specific advisories and chemical right-to-know regulations may apply; comply with workplace exposure limits as published by national regulatory authorities
