Product Name: Sodium Benzene Sulfonate
Chemical Formula: C6H5SO3Na
Synonyms: Sodium Benzenesulphonate, Benzenesulfonic acid sodium salt
Recommended Use: Surfactant, emulsifier, reagent in laboratories, chemical manufacturing
Manufacturer: Consult product label for supplier information
Emergency Phone: Contact local poison control center or emergency services
CAS Number: 51580-86-0
Classification: Irritant to skin, eyes, and respiratory system
GHS Label Elements: Signal word: Warning; hazard pictograms: Exclamation mark
Hazard Statements: Causes eye and skin irritation; may cause respiratory discomfort on inhalation
Precautionary Statements: Wear suitable protective clothing and gloves; avoid contact with eyes, skin, and inhalation of dust
Other Hazards: Dust can be irritating to mucous membranes; not classified as carcinogenic, mutagenic, or reproductive toxin by major regulations
Chemical Name: Sodium Benzene Sulfonate
CAS Number: 51580-86-0
Concentration: Over 97% pure
Impurities: Trace sodium sulfate, possible sodium chloride, water content less than 1%
Other Components: No known hazardous stabilizers or additives present
Inhalation: Move person to fresh air, seek medical attention if symptoms develop
Skin Contact: Remove contaminated clothing, wash affected area thoroughly with soap and water for at least 15 minutes
Eye Contact: Rinse with water for several minutes, lifting eyelids, remove contact lenses if present and easy, seek medical care
Ingestion: Rinse mouth, do not induce vomiting, call a physician or poison control center
Notes for Medical Professionals: Treat symptoms, observe for delayed effects related to respiratory or mucosal exposure
Suitable Extinguishing Media: Water spray, carbon dioxide, dry chemical, foam
Hazards During Fire: Emits toxic fumes of sodium oxides and sulfur oxides upon decomposition
Protective Equipment for Firefighters: Full protective gear, self-contained breathing apparatus
Specific Methods: Cool containers exposed to flames with water spray; avoid inhaling combustion gases; remove chemicals if safe
Personal Precautions: Avoid inhalation or skin/eye contact, wear protective clothing including gloves and eye protection
Environmental Precautions: Prevent from entering drains and water courses
Methods for Cleanup: Sweep up using methods that minimize dust generation, place in a suitable container for disposal, flush area with plenty of water after cleanup
Spill Area Ventilation: Ensure proper ventilation in confined spaces
Handling: Avoid breathing dust or vapor, prevent contact with skin, eyes, and clothing, use only with adequate ventilation and non-sparking tools
Storage: Store in a cool, dry, well-ventilated place away from incompatible materials including strong oxidizers and acids, keep containers tightly closed and labeled
Hygiene Measures: Wash hands after handling, do not eat, drink, or smoke in working areas, keep work clothing separate from other clothing
Exposure Limits: No established OSHA or ACGIH exposure limits
Engineering Controls: Local exhaust ventilation recommended to control airborne concentrations; eye wash stations and safety showers accessible in work area
Personal Protection: Safety goggles, chemical-resistant gloves, protective clothing, and dust mask or respirator (NIOSH approved), depending on dust generation
Work Practices: Avoid dust creation, use closed systems where possible, follow proper decontamination procedures before breaks or leaving the workplace
Appearance: White to off-white powder or granules
Odor: Slight, characteristic
Solubility: Readily soluble in water, forms clear or slightly hazy solution
Melting Point: Decomposes before melting
Boiling Point: Not applicable (decomposes on heating)
pH (1% solution): 7 – 9
Specific Gravity: Approximately 1.5
Vapor Pressure: Negligible at room temperature
Flammability: Not flammable in dry form
Chemical Stability: Stable under recommended storage conditions and normal temperatures
Reactivity: Reacts with strong acids to release sulfur dioxide
Hazardous Reactions: Violent reaction possible with strong oxidizers, forms toxic gases under fire conditions
Decomposition Products: Emits sodium oxides, sulfur oxides when decomposed by heat
Incompatibilities: Acids, strong oxidizing agents, reducing agents
Acute Toxicity: LD50 (oral, rat) estimated >2000 mg/kg; low acute toxicity
Inhalation: Dust may cause irritation to respiratory tract, coughing, sore throat
Skin Contact: May cause irritation, redness, itching
Eye Contact: Causes irritation, possible redness, tearing, discomfort
Chronic Effects: No evidence of sensitization or long-term health effects
Carcinogenicity: Not listed as carcinogen by IARC, NTP, OSHA
Other Effects: No known adverse reproductive or teratogenic effects
Ecotoxicity: Harmful to aquatic organisms at high concentrations; potential to disrupt water treatment processes
Persistence and Degradability: Readily biodegradable under aerobic conditions by microorganisms
Bioaccumulative Potential: Low, unlikely to bioaccumulate in aquatic organisms
Mobility in Soil: High solubility suggests significant mobility, may reach groundwater
Other Adverse Effects: Avoid release to environment, especially in large quantities
Waste Treatment Methods: Dispose of material through a licensed chemical waste disposal contractor
Unused Product: Treat as hazardous waste, though not regulated under RCRA
Packaging: Rinse containers thoroughly, recycle where possible or dispose in accordance with local regulations
Special Precautions: Prevent contamination of surface and groundwater, comply with local and federal environmental requirements
UN Number: Not classified as hazardous for transportation under UN, IMO, IATA, or DOT guidelines
Shipping Name: Not regulated
Hazard Class: Non-hazardous for transport
Packing Group: Not applicable
Special Precautions: Avoid generating dust, keep containers intact to prevent spillage, use standard practices to secure loads
TSCA: Listed in the U.S. Toxic Substances Control Act Inventory
REACH: Registered under European REACH regulation for specific uses
OSHA: Not specifically regulated under OSHA hazardous chemical rules
Labeling Requirements: Corresponds with GHS guidelines; workplace labeling required
Other Country Listings: Included in chemical inventories for major global markets including Canada, Australia, Japan, and China
