Product Name: Sodium Metanitro Benzene Sulfonate Chemical Formula: C6H4NO5SNa CAS Number: 127-68-4 Synonyms: m-Nitrobenzenesulfonic acid, sodium salt Recommended Use: Intermediate for dyes, laboratory reagent Manufacturer Details: [Insert manufacturer details as needed] Emergency Contact: [Insert emergency contact as needed]
Hazard Class: Irritant, oxidizing Hazard Statements: Causes skin and eye irritation; may cause respiratory irritation; may be harmful if swallowed; potential environmental hazard Signal Word: Warning Pictograms: Exclamation mark, environment Precautionary Statements: Avoid breathing dust; wash hands thoroughly after handling; keep container tightly closed; avoid release to the environment Routes of Exposure: Inhalation, ingestion, skin, eyes Carcinogenic Status: No established data showing carcinogenicity according to IARC, NTP, or OSHA Chronic Effects: Prolonged skin contact may cause dermatitis; long-term exposure may impact blood and liver function
Chemical Name: Sodium Metanitro Benzene Sulfonate Concentration: >98% by weight Impurities: Sodium sulfate (<2%), organic traces (<0.5%) Molecular Weight: 223.15 g/mol EC Number: 204-858-1 Additives: No known additives present Other Ingredients: No other components classified as hazardous
Inhalation: Move affected individual to fresh air; encourage deep breathing; seek medical attention for persistent symptoms Skin Contact: Remove contaminated clothing immediately; rinse skin with plenty of water for at least 15 minutes; apply mild soap; obtain medical advice if irritation persists Eye Contact: Rinse eyes cautiously with water for several minutes, lifting eyelids frequently; remove contact lenses if present and easy to do; continue rinsing, get prompt medical attention Ingestion: Rinse mouth with water, never give anything by mouth to an unconscious person; do not induce vomiting; seek emergency medical help Most Important Symptoms: Burning sensation, redness, irritation, difficulty breathing in severe cases Advice for Physicians: Treat symptomatically; monitor for delayed pulmonary symptoms
Suitable Extinguishing Media: Use water spray, foam, dry chemical, or carbon dioxide Specific Hazards Arising from Chemical: Emits toxic fumes of NOx, SOx, and sodium oxides when heated strongly Protective Equipment for Firefighters: Wear self-contained breathing apparatus; use full protective gear to prevent exposure to dust and decomposition products Explosion Sensitivity: Dust may form explosive mixtures in air under certain conditions Additional Fire Precautions: Remove containers from area if safe; cool containers with water spray to prevent rupture or pressure build-up Hazardous Combustion Products: Nitrogen oxides, sulfur oxides, sodium oxide, carbon monoxide, carbon dioxide
Personal Precautions: Evacuate area; ventilate space; avoid inhalation of dust; use personal protective equipment Environmental Precautions: Prevent entry into sewers, surface water, or groundwater Cleanup Procedures: Scoop up material using non-sparking tools; place in suitable, labeled containers for disposal; flush residue with water; avoid raising dust during cleanup Decontamination: Wash spill site after material pickup; dispose of contaminated materials as hazardous waste Spill Reporting: Notify authorities if product enters environment in large amounts
Handling: Use only in well-ventilated areas; minimize dust generation; wear protective gloves, clothing, and eye protection; keep containers closed when not in use Hygiene Measures: Wash hands and face after use; remove contaminated clothing before breaks and at shift end Storage: Store in cool, dry, well-ventilated place; keep away from incompatible substances such as strong acids, bases, and oxidizers Container Requirements: Store in tightly sealed containers made of materials resistant to corrosion Inventory Control: Clearly label storage areas; implement access control
Occupational Exposure Limits: No established OSHA or ACGIH TLV; limit exposure to lowest achievable concentration by workplace controls Engineering Controls: Use local exhaust ventilation; work in chemical fume hood for powder handling Personal Protective Equipment:
Appearance: Light yellow to beige crystalline powder Odor: Slight aromatic odor Odor Threshold: Not established pH (1% solution): 6.0 to 8.0 Melting Point/Range: Decomposes >300°C Boiling Point: Not applicable (decomposes) Flash Point: Non-flammable Evaporation Rate: Not measurable under normal conditions Vapor Pressure: Negligible at ambient temperature Relative Density: 1.66–1.72 g/cm³ Solubility: Readily soluble in water Partition Coefficient (Log Kow): -2 to -1 (estimated, low potential for bioaccumulation) Viscosity: Not applicable Explosive Properties: May form explosive dust-air mixtures Auto-ignition Temperature: No reliable data available Decomposition Temperature: >300°C
Chemical Stability: Stable under recommended storage conditions Reactive Properties: May react with strong oxidizers, reducing agents, acids Hazardous Decomposition: Releases toxic gases upon heating: NOx, SOx, sodium oxide Polymerization: Not known to undergo hazardous polymerization Conditions to Avoid: Exposure to moisture, high temperatures, ignition sources Incompatibles: Acids, bases, oxidizing and reducing agents
Likely Routes of Exposure: Inhalation, ingestion, skin, eye contact Acute Toxicity: LD50 (oral, rat): ~1800 mg/kg; LD50 (dermal, rabbit): not established Skin Corrosion/Irritation: May cause irritation on prolonged or repeated contact Eye Damage/Irritation: Causes immediate irritation Respiratory Sensitization: Not classified Skin Sensitization: Some cases of allergic reactions have been reported Chronic Toxicity: Prolonged exposure may affect liver, blood chemistry; no mutagenicity or reproductive toxicity data available Carcinogenicity: Not listed by IARC, NTP, OSHA Additional Toxicity Data: Hemolytic effects and methemoglobinemia observed at high exposure Symptoms of Exposure: Redness, itching, abdominal discomfort, shortness of breath in severe cases
Ecotoxicity: Harmful to aquatic organisms in concentrated form; LC50 (fish, 96h): >100 mg/L Persistence and Degradability: Biodegradable under aerobic conditions within 28 days; may persist under anaerobic conditions Bioaccumulation Potential: Low, indicated by low octanol-water coefficient Mobility in Soil: Highly mobile in aqueous environments; potential for groundwater contamination on large spill Aquatic Environmental Impact: Avoid direct discharge to watercourses; may contribute to eutrophication at high concentration Other Ecological Concerns: No known effects on ozone depletion
Waste From Residues: Excess and non-recyclable solutions must be collected as hazardous waste Disposal Methods: Incinerate under controlled conditions; consult local, regional, and national regulations Contaminated Packaging: Rinse and dispose as hazardous chemical waste; never reuse packaging Special Precautions: Do not dispose of in household garbage or sewers Waste Codes: Contact regulatory authorities for the appropriate waste code
UN Number: Not classified as dangerous goods under most transport regulations Transport Hazard Class: Not regulated; treat as irritant material Packing Group: Not assigned Shipping Name: Sodium Metanitro Benzene Sulfonate Special Precautions for Transport: Avoid handling packages roughly to prevent spillage; secure tightly in upright position DOT, IMDG, IATA Classification: Not regulated as hazardous material Marine Pollutant: Not designated Transport in Bulk: Not subject to Annex II of MARPOL 73/78
TSCA Status: Listed DSL/NDSL (Canada): Present Hazard Symbol (EU): Xi (Irritant), N (Dangerous for environment) Risk Phrases: R36/37/38 (Irritating to eyes, respiratory system and skin), R52/53 (Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment) Safety Phrases: S22 (Do not breathe dust), S26 (In case of contact with eyes, rinse immediately), S36/37 (Wear suitable protective clothing and gloves) Other National Regulations: Comply with workplace exposure and emissions standards in respective country Labelling Requirements: Mark containers with hazard information; maintain updated Safety Data Sheets accessible to workers Proposition 65 (California): Not listed REACH Registration: Pre-registered/substance subject to reporting requirements Workplace Hazard Communication: Follow OSHA Hazard Communication Standard, train workers handling materials
