Product Name: Sulfonic Acids, Petroleum
Chemical Family: Alkylaryl sulfonic acids
Synonyms: Alkylbenzene sulfonic acid, LABSA
CAS Number: 68608-95-1
Manufacturer: Typically petroleum chemical suppliers or oil refining companies
Recommended Use: Detergent manufacture, emulsifier, lubricant additive
Contact Information: Detailed on packaging material or official website
Emergency Contact: Local or national poisoning control center
GHS Classification: Corrosive to metals, Skin corrosion, Eye damage
Signal Word: Danger
Hazard Statements: Causes severe skin burns and eye damage, May cause respiratory irritation
Pictograms: Corrosive, Exclamation Mark
Precautionary Statements: Avoid contact with eyes and skin, Wear protective clothing, gloves, and eye/face protection
Hazards Not Otherwise Classified: Contact with moisture produces heat and sulfur oxides, Potential for tissue damage and inhalation risk in enclosed spaces
Main Component: Benzenesulfonic acid, mono-C10-16-alkyl derivatives (60%-99%)
Other Ingredients: Sulfuric acid (<1%), Water (balance), Petroleum-based hydrocarbons (<3%)
Impurities: Trace polyaromatic compounds, Inorganic salts
Component Concentrations: Varies by batch and manufacturer, always referenced on batch certificate or specification sheet
Skin Contact: Remove contaminated clothing, rinse skin immediately with plenty of water, seek medical advice
Eye Contact: Rinse eyes cautiously with water for at least 15 minutes, remove contact lenses if present, obtain medical attention without delay
Inhalation: Move to fresh air, seek medical help if breathing becomes difficult or symptoms persist
Ingestion: Rinse mouth, do not induce vomiting, get immediate medical assistance
Note to Physician: Symptoms may be delayed, treat as for strong acid exposure, consider systemic toxicity
Suitable Extinguishing Media: Carbon dioxide, dry chemical, foam, or water spray for cooling exposed containers
Unsuitable Extinguishing Media: Direct water stream may cause splattering
Combustion Products: Sulfur oxides, carbon oxides, dense smoke
Fire Hazards: Releases hazardous vapors above decomposition temperature
Protective Equipment: Chemical resistant suit, self-contained breathing apparatus
Firefighting Instructions: Isolate area, contain runoff, stay upwind, use water fog to cool surfaces and disperse vapors
Personal Precautions: Wear appropriate protective gear, restrict access to area
Environmental Precautions: Prevent entry into sewers or waterways, alert local environmental authorities if large spill occurs
Containment: Dike with sand or earth
Cleanup Methods: Absorb with inert material, neutralize with alkaline material, collect residues in suitable containers, ventilate area, dispose waste in line with local regulations
Handling: Use with localized ventilation, handle in accordance with standard chemical safety practices, avoid formation of mists or aerosols
Storage: Store in tightly closed containers in a cool, well-ventilated space, keep away from incompatible materials like strong bases, store away from foodstuffs or animal feeds
Special Requirements: Segregate from strong oxidizing agents, avoid prolonged storage at elevated temperatures, check containers regularly for leaks or damage
Engineering Controls: Adequate local ventilation, eye-wash stations, safety showers
Personal Protective Equipment: Chemical-resistant gloves (nitrile, neoprene), splash-proof goggles, acid-resistant apron, respiratory protection in insufficiently ventilated areas
Exposure Limits: No specific OSHA PEL or ACGIH TLV for sulfonic acids, adheres to industry’s best practices for acid mists and petroleum derivatives
Workplace Practices: Wash hands thoroughly after handling, do not eat, drink, or smoke during use
Appearance: Dark brown to amber viscous liquid
Odor: Mild petroleum with acidic sharpness
Odor Threshold: Not established
pH: Strongly acidic
Boiling Point: Above 200°C depending on composition
Melting Point: No clear melting, solidifies with cold
Flash Point: Over 150°C (closed cup, varies by supplier)
Auto-ignition Temperature: Not established
Vapor Pressure: Low at ambient conditions
Solubility: Miscible with water, forms heat and possible fumes on dissolution
Density: 1.04-1.12 g/cm³ (typical)
Viscosity: High, flows slowly at ambient temperature
Chemical Stability: Stable at room temperature under recommended storage conditions
Incompatible Materials: Strong bases, oxidizing agents, strong reducing agents
Hazardous Decomposition: Releases sulfur oxides, carbon oxides at elevated temperatures
Polymerization: Will not occur under normal conditions
Special Sensitivities: Reacts violently with alkalis, Generates heat when mixed with water
Acute Toxicity: Oral and dermal studies in animals show corrosive effects and moderate to high toxicity
Skin/Eye Irritation: Highly irritating and corrosive, risk of permanent damage
Sensitization: No reliable data, not considered a skin sensitizer
Chronic Effects: Prolonged or repeated exposure causes dermatitis or burns, effect on respiratory tract possible with prolonged inhalation
Carcinogenicity: Not listed by IARC, NTP, or OSHA; possible risk from impurities in some grades
Other Information: No targeted risk of reproductive toxicity based on component review
Ecotoxicity: Harmful to aquatic organisms, especially in concentrated form, long-term adverse effects in the aquatic environment
Persistence and Degradability: Partial biodegradability, significant resistance in certain environments due to alkylaryl structure
Bioaccumulative Potential: Moderate, hydrocarbon content can accumulate in sediments
Mobility in Soil: High mobility in waterlogged soils, binds to organic material
Other Adverse Effects: Harmful if discharged into natural water systems in quantity, industry should restrict losses to environment
Waste Treatment Methods: Follow local, state, and federal guidelines; landfilling after neutralization with controlled pH adjustment to non-hazardous status
Incineration: High-temperature incineration with appropriate emissions controls for acid gases
Container Disposal: Triple rinse, neutralize residues, return to approved drum recycler or treat as hazardous waste
Recycling: Product and container may be recovered in some jurisdictions if formally certified hazardous waste handler manages the process
UN Number: UN 2586
Proper Shipping Name: Alkylsulfonic acids, liquid, petroleum derived
Transport Hazard Class: 8 (Corrosive)
Packing Group: II
Label: Corrosive label required
Special Precautions: Do not transport with foodstuff, avoid temperature extremes, inspect containers for leaks before shipping, ensure competent unloading in compliance with international dangerous goods transport regulations
OSHA: Covered under Hazard Communication Standard for corrosive chemical hazard
TSCA: Components listed on U.S. Toxic Substances Control Act inventory
SARA Title III (EPCRA): Reportable for emergency planning as hazardous chemical, thresholds apply in certain jurisdictions
REACH: Major components registered under European Union REACH regulation
Canadian WHMIS: Classified as Class E corrosive material
State Regulations: May appear on state-specific hazardous substance lists, users should check compliance specifics for workplace labeling, handling and exposure limits
