Product Name: Benzenesulfonic Acid, 4-C10-13-Sec-Alkyl Derivs.
CAS Number: 85536-14-7
Synonyms: Linear Alkyl Benzene Sulfonic Acid, Alkylbenzenesulfonic Acid
Recommended Use: Surfactant in cleaning agents, industrial detergents, emulsifier for formulations
Supplier Identification: Supplier’s business name, address, phone, and emergency contact number directly on shipping labels and safety documents for seamless communication
Emergency Telephone Number: 24/7 hotline provided for rapid response during accidental exposures
GHS Classification: Skin Corrosion/Irritation Category 1, Serious Eye Damage Category 1, Acute Aquatic Toxicity Category 2
Signal Word: Danger
Hazard Statements: Causes severe skin burns and eye damage. Harmful to aquatic life with long lasting effects.
Pictograms: Corrosive symbol, environmental hazard
Precautionary Statements: Avoid skin and eye contact, wash thoroughly after handling, do not inhale fumes, use only outdoors or in well-ventilated area, avoid release to the environment
Chemical Identity: Benzenesulfonic Acid, 4-C10-13-Sec-Alkyl Derivs.
Concentration: Substance considered pure, often ≥96%
Impurities: May include minor homologs, inorganic acids below 2%
Molecular Formula: C10-13H21-27C6H4SO3H
EC Number: 287-494-3
Other Names: LAS Acid, LABSA
Inhalation: Move person immediately to fresh air, loosen clothes, monitor for respiratory distress, seek medical attention if symptoms persist
Skin Contact: Remove contaminated clothing, rinse affected skin area with water for 15–20 minutes, do not use neutralizers, seek emergency care for burns
Eye Contact: Rinse eyes cautiously with water for over 15 minutes, lift eyelids to ensure thorough flushing, avoid rubbing, seek urgent medical evaluation
Ingestion: Do not induce vomiting, rinse mouth carefully, never give anything by mouth to an unconscious person, get immediate professional medical care
Most Important Symptoms: Severe irritation, blistering, possible vision loss on direct eye exposure, risk of respiratory irritation from inhaling aerosols
Suitable Extinguishing Media: Dry chemical powder, foam, carbon dioxide, or water spray
Unsuitable Extinguishing Media: Direct water jet on product container
Specific Hazards: Fumes containing oxides of sulfur and carbon produced, risk of toxic gases during combustion
Protective Gear: Firefighters wear chemical splash suit and self-contained breathing apparatus
Special Procedures: Evacuate surrounding area, keep containers cool by spraying with water, avoid runoff entering sewers or waterways
Personal Precautions: Wear chemical-resistant gloves, splash-proof goggles, acid-resistant clothing; ensure immediate ventilation
Environmental Precautions: Prevent chemical from entering drains, soil, or aquatic systems; notify local authorities if large quantities released
Clean Up Methods: Contain spill with earth, sand, or inert absorbents, transfer collected material to labeled disposal drums, neutralize residues if appropriate, rinse spill area thoroughly with water
Precautions for Safe Handling: Use in well-ventilated places, avoid breathing vapors or mists, do not eat, drink or smoke while handling, maintain hygiene practices before breaks and after work, use tools and containers resistant to acids
Storage Conditions: Keep container tightly closed in original chemical-resistant packaging, store in locked facilities away from alkalies, oxidizers and direct sunlight
Incompatible Materials: Avoid contact with bases, oxidizing agents, reducing agents, metals susceptible to corrosion
Special Storage Requirements: Segregate from food and animal feeds, ensure proper secondary containment to control leaks or spills
Control Parameters: No established occupational exposure limits, but minimize airborne concentrations
Engineering Controls: Install local exhaust ventilation, eyewash stations and accessible safety showers
Personal Protective Equipment: Acid-resistant chemical gloves (nitrile, neoprene), face shield with splash goggles, impervious protective clothing, respiratory protection (NIOSH-approved) if fumes generated
Personal Hygiene: Wash hands and face before meal breaks and after shifting from work area, remove contaminated clothing and clean before reuse
Appearance: Amber to brown viscous liquid
Odor: Sharp, pungent chemical odor
Odor Threshold: Not available
pH: Below 1 (strongly acidic)
Melting Point / Freezing Point: Solidifies below -10°C
Initial Boiling Point and Range: Above 315°C (decomposes)
Flash Point: Above 100°C (closed cup method)
Evaporation Rate: Not determined
Flammability: Product does not sustain combustion easily
Upper/Lower Flammability Limits: Not applicable
Vapor Pressure: Low volatility, negligible at room temperature
Vapor Density (air = 1): Not determined
Relative Density: 1.15–1.20 g/cm³ (25°C)
Solubility: Miscible with water, forms acidic solutions
Partition Coefficient (n-octanol/water): Not available
Auto-ignition Temperature: Not self-igniting
Decomposition Temperature: Above 315°C, toxic gas generation
Viscosity: High viscosity in neat form
Chemical Stability: Stable in normal ambient and recommended storage conditions
Reactivity: Reacts strongly with bases producing heat, neutralizes with alkaline substances
Possibility of Hazardous Reactions: Contact with strong oxidizing or reducing agents produces violent reaction
Conditions to Avoid: Direct heating, exposure to moisture, contamination with reactive substances
Incompatible Materials: Strong bases, oxidizers, reducing agents, reactive metals like zinc, aluminum
Hazardous Decomposition Products: Sulfur oxides, carbon oxides, hydrocarbons during fire or decomposition
Acute Toxicity Data: Oral LD50 (rat): approx. 650–1500 mg/kg; Dermal LD50 (rat): >2000 mg/kg; slightly more toxic by oral exposure
Skin Corrosion / Irritation: Causes severe burns on contact, delayed skin reaction is possible
Eye Damage / Irritation: Severe eye damage, risk of blindness with direct contact
Respiratory Sensitization: Risk for irritation, not identified as a sensitizer
Chronic Effects: No long-term data for carcinogenicity or reproductive toxicity, but prolonged exposure may affect mucous membranes
Other Health Effects: No evidence of mutagenicity or teratogenicity in reported laboratory tests
Target Organs: Skin, eyes, respiratory system
Aquatic Toxicity: Toxic to aquatic life; EC50 (Daphnia magna): 1–5 mg/L at 48 hours
Biodegradability: Readily biodegradable in aerobic conditions; primary degradation in wastewater treatment
Bioaccumulation Potential: Low, due to rapid breakdown and water solubility
Mobility in Soil: High mobility, can leach to groundwater if not contained
Other Adverse Effects: Toxic acidic run-off impacts aquatic organisms; accidental releases require prompt neutralization and containment
Waste Treatment Methods: Neutralize waste with alkaline materials before disposal, follow national, regional and local regulations governing hazardous chemical waste
Contaminated Packaging: Rinse containers thoroughly, neutralize, send to authorized drum reconditioners or hazardous waste processors
Disposal Precautions: Do not discharge to surface waters, landfills, or uncontrolled environments; document and track all disposal processes for environmental compliance
UN Number: 2586
Proper Shipping Name: Alkylbenzenesulfonic acids, liquid
Transport Hazard Class: 8 (Corrosive substances)
Packing Group: II (moderate danger)
Environmental Hazards: Classified as marine pollutant if released in bulk quantities
Special Precautions for User: Ensure containers are clearly labeled, operators trained in corrosive spill response, transport in approved containers only
Regulations Referenced: ADR/RID, IMDG, IATA guidance for international shipments
Workplace Safety Laws: Subject to OSHA Hazard Communication Standard, requirements for labeling, employee training, Safety Data Sheet access
Environmental Regulations: Listed under U.S. EPA Clean Water Act as a hazardous substance, subject to SARA Title III reporting; included in EU REACH registration as a hazardous chemical
Other Standards: Classified by Globally Harmonized System (GHS), aligns with EU CLP Regulation, monitored under Canadian WHMIS
Labelling Requirements: Must carry hazard pictograms, signal word “Danger”, and precautionary information on workplace containers
Restrictions: Not for uncontrolled release to the environment, subject to strict European and U.S. restrictions for detergent ingredient concentrations in consumer goods
