Product Name: 3-Nitro Benzene Sulfonic Acid Sodium Salt
Other Names: Sodium 3-nitrobenzenesulfonate, meta-Nitrobenzenesulfonic acid sodium salt
CAS Number: 127-68-4
Recommended Use: Dye intermediate, analytical reagent, chemical synthesis
Supplier: Chemical manufacturer or distributor details required for traceability
Classification: Eye irritation, skin irritation, respiratory tract irritant
Label Elements: Hazard pictograms for irritant and aquatic hazard, warning symbol
Hazard Statements: Causes skin and eye irritation, may cause respiratory discomfort, harmful to aquatic life
Precautionary Statements: Avoid breathing dust or powder, wear protective gloves, use eye and face protection, wash thoroughly after handling
Chemical Name: 3-Nitrobenzenesulfonic acid sodium salt
Synonyms: Sodium 3-nitrobenzene sulfonate
Molecular Formula: C6H4NO5SNa
Molecular Weight: 225.15 g/mol
Concentration: 98-100% pure (typical for industrial grade)
Eye Contact: Rinse eyes under running water for at least 15 minutes, keep eyelids apart, remove contact lenses, seek medical attention
Skin Contact: Remove contaminated clothing, rinse skin thoroughly with soap and water, seek medical advice if irritation develops
Inhalation: Move to fresh air, keep patient comfortable, seek medical help if breathing difficulty persists
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical attention if large amounts swallowed or symptoms occur
Suitable Extinguishing Media: Dry chemical, carbon dioxide, water spray, foam
Unsuitable Extinguishing Media: Direct water stream may cause contamination and spread
Special Hazards: May produce toxic fumes under fire, including nitrogen oxides and sulfur oxides
Special Protective Equipment: Firefighters wear self-contained breathing apparatus and chemical protective clothing
Personal Precautions: Avoid inhalation, contact with skin and eyes, ventilate area
Environmental Precautions: Prevent runoff into sewers or waterways, alert local authorities in case of spillage
Methods for Cleaning Up: Contain spill with inert material like sand, transfer to a suitable closed container, wash area with water avoiding splash
Handling: Handle in well-ventilated places, avoid dust generation, do not eat, drink or smoke while using
Storage: Store in tightly sealed container, keep away from incompatible materials such as strong reducing agents or acids, store in cool, dry location out of direct sunlight
Occupational Exposure Limits: No established limits, use best industrial hygiene practices
Engineering Controls: Local exhaust ventilation recommended
Personal Protection: Chemical-resistant gloves, safety goggles or full face shield, protective clothing, use of NIOSH-approved respirator if dust exposure is possible
Appearance: Yellow to orange crystalline powder
Odor: Odorless or very mild aromatic odor
pH: 7-9 (1% solution in water)
Melting Point: Decomposes above 300°C
Boiling Point: Decomposes
Solubility: Soluble in water
Vapor Pressure: Negligible
Density: Approx. 1.7 g/cm³
Flash Point: Not flammable
Stability: Stable under recommended conditions
Chemical Stability: Stable under normal storage and handling
Conditions to Avoid: Excessive heat, direct sunlight, contact with acids or reducing agents
Incompatible Materials: Strong acids, strong reducers, organic materials
Hazardous Decomposition: Toxic gases including sulfur oxides, nitrogen oxides can form upon decomposition
Acute Toxicity: Data limited, expected to have low oral toxicity, may be irritating to digestive tract
Skin Irritation: Causes redness, possible rash upon contact
Eye Irritation: Irritating, may lead to redness, pain, possible swelling
Respiratory Effects: Dust inhalation may cause coughing, throat irritation, difficulty breathing
Chronic Exposure: Long-term exposure can promote dermatitis, possible sensitization not fully studied
Carcinogenicity: Not classified by IARC, NTP, or OSHA
Aquatic Toxicity: Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment
Persistence and Degradability: Not readily biodegradable, can persist in water/soil
Bioaccumulation: Low potential for bioaccumulation
Mobility in Soil: Expected to have moderate mobility, water solubility allows for movement through soil layers
Waste Disposal Methods: Dispose of in accordance with local, regional, national, and international regulations, incinerate in suitable facility or landfill as allowed
Contaminated Packaging: Rinse containers and offer for recycling or disposal as hazardous waste
UN Number: Not regulated under most international transport codes
Transport Hazard Class: Not classified as hazardous for transport
Packing Group: Not assigned
Environmental Hazards: Not a marine pollutant
Special Precautions: Keep packaging intact, prevent spillage during transport
National Regulations: Check local workplace, environmental safety regulations for classification
International Inventories: Listed on chemical inventories including TSCA (USA), EINECS (EU), DSL (Canada), AICS (Australia)
Other Regulatory Status: Not subject to any specific restrictions beyond general chemical safety rules
