Product Name: Calcium Dodecylbenzenesulphonate
Chemical Formula: C36H62CaO6S2
Synonyms: Calcium salt of linear alkylbenzene sulfonic acid
Recommended Use: Surfactant, detergent intermediate, emulsifier
Manufacturer Contact: Emergency number and supplier identification as per supplied label
CAS Number: 26264-06-2
UN Number: Not regulated
Classification: Skin irritant, eye irritant, aquatic toxicant
GHS Label Elements: Exclamation mark symbol, corrosive symbol
Signal Word: Warning
Hazard Statements: Causes skin irritation, causes serious eye irritation, toxic to aquatic life with long lasting effects
Precautionary Statements: Avoid breathing dust, wash hands thoroughly after handling, use personal protective equipment, prevent release to environment
Potential Health Effects: Prolonged contact can cause dermatitis, high concentrations may cause respiratory irritation
Routes of Exposure: Inhalation, skin, and eye contact
Chemical Name: Calcium Dodecylbenzenesulphonate
Common Name: Linear alkylbenzene sulfonate (LAS), calcium salt
Concentration: 80–100%
Impurities: Water, minor residual organic solvents or unreacted material less than 3%
CAS Number: 26264-06-2
Other Components: Not relevant for hazard classification
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present and easy to do, continue rinsing, seek medical attention if irritation persists
Skin Contact: Remove contaminated clothing, wash skin thoroughly with soap and water, get medical advice if irritation develops
Inhalation: Move person to fresh air, keep at rest in a position comfortable for breathing, seek medical attention if breathing becomes difficult
Ingestion: Rinse mouth with water, do not induce vomiting, never give anything by mouth to an unconscious person, seek immediate medical advice
Notes for Doctor: Treat symptomatically based on clinical judgment
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water fog
Unsuitable Media: Direct water jets as product may form slippery surfaces
Hazardous Combustion Products: Sulfur oxides, carbon monoxide, carbon dioxide, and other hazardous gases
Protective Equipment: Firefighters should use self-contained breathing apparatus and full protective clothing
Special Procedures: Cool down exposed containers with water spray, keep product runoff out of drains and surface water
Personal Precautions: Wear gloves, goggles, and appropriate protective clothing, avoid contact with skin, eyes, and clothing, ensure adequate ventilation
Environmental Precautions: Avoid entry into waterways, drains, or sewers, warn personnel in immediate area, contain spill using inert absorbents
Methods for Cleanup: Shovel or sweep into suitable container, clean residue with water and detergent, dispose of in accordance with regulations
Disposal: Collect as much material as possible for proper disposal, prevent slips and falls
Handling: Avoid dust formation, keep container tightly closed, use local exhaust and general ventilation, avoid prolonged or repeated contact with skin
Storage: Store in a cool, dry, well-ventilated area, keep out of direct sunlight, away from heat and incompatible materials such as strong oxidizers and acids
Storage Temperature: Recommended between 5°C and 35°C
Packaging Materials: Use high-density polyethylene or steel drums with corrosion resistance
Special Instructions: Keep segregated from food and feedstuffs
Occupational Exposure Limits: No established limits for the product; avoid dust exposure as a general rule
Engineering Controls: Local exhaust ventilation, general ventilation, process enclosure to reduce airborne levels
Personal Protective Equipment: Safety glasses or goggles, chemical-resistant gloves (nitrile or neoprene), protective clothing, dust mask or respirator (P2 or equivalent) in dusty conditions
Hygiene Measures: Wash hands before eating, drinking, or smoking, keep work clothes separate from regular clothing
Appearance: Off-white to light yellow powder or granules
Odor: Slight characteristic odor
pH (1% Solution): 7–10
Melting Point: Above 165°C
Boiling Point: Not applicable (decomposes)
Solubility in Water: Moderately soluble, forms stable emulsions
Flash Point: Not flammable
Relative Density: 0.5–0.7 (bulk, solid)
Vapor Pressure: Negligible under ambient conditions
Partition Coefficient (log Kow): Not determined
Decomposition Temperature: Above 200°C, emission of irritating fumes likely
Viscosity: Not applicable (solid)
Chemical Stability: Stable under normal conditions of handling and storage
Reactivity: Minimal reactivity under ambient conditions
Incompatible Materials: Strong oxidizing agents, mineral acids
Hazardous Decomposition Products: Sulfur oxides, hydrocarbon fragments, and soot from thermal decomposition
Possibility of Hazardous Reactions: No dangerous reactions known at standard use
Conditions to Avoid: High humidity, extreme temperatures, and contamination with incompatible chemicals
Acute Toxicity: LD50 (oral, rat) > 2000 mg/kg (low acute toxicity)
Skin Corrosion/Irritation: Moderate to severe skin irritant on prolonged exposure, may cause allergic reaction in sensitive individuals
Eye Damage/Irritation: Causes severe irritation, risk of irreversible eye effects
Inhalation Effects: Dust may cause irritation of respiratory tract
Chronic Effects: Long term or repeated exposure may cause drying, cracking, or dermatitis of skin
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, ACGIH, or OSHA
Other Toxicological Effects: Not mutagenic or teratogenic under standard test conditions
Aquatic Toxicity: Harmful to aquatic organisms; LC50 (fish, 96 h): 1–10 mg/L
Persistence and Degradability: Slowly biodegradable, may persist in surface waters and sediments
Bioaccumulative Potential: Limited data, moderate potential for bioaccumulation in aquatic organisms
Soil Mobility: Moderately adsorbed to soil particles, risk of leaching under high rainfall
Other Adverse Effects: Risk of frothing and damage to aquatic life when released in bulk quantities
Waste Disposal: Dispose in accordance with local, regional, and national regulations for hazardous wastes
Contaminated Packaging: Empty containers must be completely cleaned or reconditioned before reuse, or disposed of as hazardous waste
Methods of Disposal: Incinerate in an approved facility or landfill in accordance with requirements
Special Precautions: Do not discharge into drains or watercourses
UN Number: Not classified as a dangerous good for transportation under ADR/RID, IMO/IMDG, or IATA regulations
Proper Shipping Name: Not regulated
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Environmental Hazards: Presents hazard to aquatic organisms in case of accidental spillage
Special Transport Precautions: Protect from moisture and mechanical impact during transportation, avoid loading with incompatible materials
EU Regulation: Classified according to Regulation (EC) No 1272/2008 (CLP/GHS), REACH registered
US Regulation: Listed on TSCA inventory, SARA 313 not applicable
Canada: Listed on DSL/NDSL inventory
Australian Standard: Listed in AICS
Labeling Requirements: Hazard symbols and warnings must be displayed according to regional regulations
Restrictions: Use restricted to professional or industrial applications only
Safety Assessment: Safety data available based on LE/EEA T compliance and country-specific guidelines
