Product Name: 4-Aminotoluene-3-Sulphonic Acid
Synonyms: 3-Sulfo-p-toluidine; M-TSA; p-Toluidine-3-sulfonic acid
CAS Number: 88-44-8
Recommended Use: Intermediate for dyes, pharmaceuticals, and chemical synthesis
Manufacturer Name: [To be filled by supplier]
Address: [To be filled by supplier]
Emergency Phone: [To be filled by supplier]
Classification: Eye irritation (Category 2A), Skin irritation (Category 2), Acute toxicity oral (Category 4)
Signal Word: Warning
Hazard Statements: Causes eye and skin irritation, harmful if swallowed, may cause respiratory irritation
Pictograms: Exclamation mark
Precautionary Statements: Wash exposed skin thoroughly after handling, wear protective gloves, avoid inhalation, do not eat, drink, or smoke while handling
GHS Label Elements: Present on packaging
Potential Health Effects: Eye pain, skin redness, nausea, vomiting, dizziness
Environmental Hazards: Harmful to aquatic life with long lasting effects
Chemical Name: 4-Aminotoluene-3-Sulphonic Acid
Chemical Formula: C7H9NO3S
Molecular Weight: 187.22 g/mol
CAS Number: 88-44-8
Concentration: ≥98%
Other Components: Impurities <1% (unidentified aromatic derivatives, water)
General Advice: Seek immediate medical help if symptoms persist
Inhalation: Remove to fresh air, monitor for breathing difficulty, give oxygen if available, call a doctor
Skin Contact: Remove contaminated clothing, wash skin with plenty of water and soap for 20 minutes, seek immediate medical attention for irritation
Eye Contact: Rinse cautiously with water for at least 15 minutes while holding eyelids open, remove contact lenses if present, get medical attention
Ingestion: Rinse mouth, do not induce vomiting, never give anything by mouth to an unconscious person, seek medical advice immediately
Most Important Symptoms: Redness, irritation, possible allergic skin reaction, gastrointestinal upset
Suitable Extinguishing Media: Dry chemical, carbon dioxide, foam, water spray
Unsuitable Extinguishing Media: Direct water jet on burning material
Hazardous Combustion Products: Nitrogen oxides, sulfur oxides, carbon monoxide, carbon dioxide
Special Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Specific Hazards: Dust can form explosive mixtures with air
Personal Precautions: Avoid inhalation of combustion gases, evacuate area
Personal Precautions: Evacuate unprotected personnel, avoid contact with eyes and skin, ensure adequate ventilation, wear protective gloves and goggles
Environmental Precautions: Prevent runoff into drains, sewers, or waterways, contain spillage using inert absorbent (sand, earth)
Clean-Up Methods: Collect spilled material, use damp sweeping or vacuum with HEPA filter, place in suitable waste containers, wash spill area with water and detergent
Disposal: Dispose of in accordance with local, regional, and national regulations
Safe Handling: Handle with care, avoid dust formation, avoid inhalation and skin or eye contact, always wash hands after use
Protective Measures: Use mechanical ventilation or local exhaust, avoid release into the environment
Conditions for Safe Storage: Store in a cool, dry, well-ventilated area, keep container tightly closed, avoid exposure to direct sunlight, separate from incompatible substances (strong oxidizers, acids)
Storage Temperature: Recommended: 2-8°C
Packaging: Use corrosion-resistant, moisture-proof containers
Occupational Exposure Limits: No established federal limits; minimize exposure as much as possible
Engineering Controls: Local exhaust ventilation, eye wash stations, safety showers
Personal Protection: Chemical-resistant gloves (nitrile), safety goggles, lab coat or apron, dust mask or respirator if ventilation is inadequate
Skin Protection: Long sleeves, impermeable footwear
Hygiene Measures: Wash thoroughly after handling, do not eat or drink in work area, remove contaminated clothing
Appearance: White to pale yellow crystalline powder
Odor: Odorless or slight amine odor
pH: 1% solution, pH 2.0-4.0
Melting Point: 270-274°C (decomposes)
Boiling Point: Not applicable (decomposes before boiling)
Solubility: Soluble in water, slightly soluble in alcohol
Density: Approx. 1.5 g/cm³
Vapor Pressure: Not available
Partition Coefficient (n-octanol/water): Not available
Flash Point: Not available
Autoignition Temperature: Not available
Explosive Properties: Dust may present explosion hazard
Chemical Stability: Stable under recommended storage conditions
Conditions to Avoid: Exposure to moisture, heat, open flames, sources of ignition
Incompatible Materials: Strong oxidizing agents, acids, bases, nitrating agents
Hazardous Decomposition Products: Nitrogen oxides, sulfur oxides, carbon monoxide
Polymerization: Will not occur under normal conditions
Acute Toxicity: LD50 oral (rat): estimated 2000-5000 mg/kg
Skin Corrosion/Irritation: Causes skin irritation in animal studies
Serious Eye Damage/Irritation: May cause moderate to severe irritation
Respiratory Sensitization: May cause irritation to mucous membranes
Skin Sensitization: Possible allergic reaction with repeated exposure
Carcinogenicity: Not classified as carcinogen by OSHA, IARC, or NTP
Mutagenicity: No significant data available
Reproductive Toxicity: No data available
Symptoms: Nausea, headache, skin redness, eye pain
Toxicity to Aquatic Life: Harmful to aquatic organisms, can cause long-term adverse effects
Persistence and Degradability: Not readily biodegradable, may persist in the environment
Bioaccumulation Potential: Low likelihood
Mobility in Soil: Likely mobile in water, can contaminate groundwater
Other Adverse Effects: Avoid direct discharge into soil, drains, or waterways
Waste Disposal: Handle as hazardous waste, do not dispose of with household garbage
Methods of Disposal: Incineration in licensed facility, chemical treatment if permitted
Contaminated Packaging: Triple rinse containers, dispose of according to local and national regulations
Other Precautions: Do not reuse empty containers
UN Number: Not classified as dangerous for transport
Proper Shipping Name: Not regulated
Transport Hazard Class: Not classified
Packing Group: Not classified
Environmental Hazards: Not regulated
Special Precautions: Keep containers dry and sealed, avoid spillage in transit
US TSCA: Listed
EU EINECS: 201-835-6
OSHA: Not classified as hazardous material under OSHA regulations
Other Regulations: Subject to local regulations for chemical handling and environmental discharge
SARA Title III: Not listed as an Extremely Hazardous Substance
California Proposition 65: Not listed
WHMIS (Canada): D2B – Toxic material causing other toxic effects
