Chemical Name: Tetramethylammonium Sulfate
Synonyms: Tetramethylazanium sulfate
CAS Number: 567-58-6
Formula: C4H12N2O4S
Use: Laboratory reagent, specialty chemical, industrial manufacturing processes
Supplier: Name, address, phone number, emergency contact information
Hazard Classification: Acute Toxicity (Oral Category 3), Skin Irritation (Category 2), Serious Eye Damage (Category 2A)
Label Elements: Signal word: Danger; Hazard statements: Toxic if swallowed, causes skin irritation, causes serious eye irritation
Pictograms: Skull and crossbones, exclamation mark
Precautionary Statements: Avoid inhalation, avoid contact with skin and eyes, wash thoroughly after handling, wear protective equipment
Effects of Overexposure: Nausea, vomiting, abdominal pain, burns, respiratory distress
Known Chronic Effects: Prolonged exposure may affect liver and nervous system function
Ingredient: Tetramethylammonium Sulfate
CAS Number: 567-58-6
Content: Greater than 98% by weight
Impurities: Trace organics, water
Other Components: No other hazardous components present above threshold limits
Inhalation: Move person into fresh air, keep at rest, monitor for trouble breathing, seek medical attention for symptoms
Skin Contact: Remove contaminated clothing, rinse skin with plenty of water for at least 15 minutes, wash with soap, contact physician for irritation or burns
Eye Contact: Flush eyes immediately with water for at least 15 minutes, separate eyelids, remove contact lenses if present and continue rinsing, seek medical help
Ingestion: Rinse mouth, do not induce vomiting, never give anything by mouth to an unconscious person, call poison control center or physician immediately
Symptoms: Burning, redness, swelling, coughing, difficulty breathing, gastrointestinal distress, confusion
Suitable Extinguishing Media: Water spray, foam, dry chemical, carbon dioxide
Unsuitable Extinguishing Media: None known for this material
Hazards: Releases irritating and toxic fumes under fire conditions, includes oxides of nitrogen, carbon, and sulfur
Protective Equipment: Full turn-out gear, self-contained breathing apparatus necessary
Precautions: Prevent runoff, cool containers exposed to fire with water spray, evacuate area if large fire, do not enter confined space without proper protection
Personal Precautions: Avoid contact with skin, eyes, and clothing, ventilate area, wear appropriate personal protective equipment
Environmental Precautions: Prevent spillage from entering drains, sewers, or water bodies, contain and absorb with sand or earth
Methods for Cleanup: Collect solid or solution with non-combustible absorbent, place in suitable sealed container, wash spill site after material pickup
Reference to Other Sections: Refer to disposal and personal protection guidelines
Handling: Use in well-ventilated areas, minimize dust generation, avoid breathing vapors or spray, prevent contact with incompatible materials
Storage: Keep container tightly closed in a dry, cool, well-ventilated area, protect from direct sunlight and heat sources
Incompatibilities: Strong oxidizers, strong acids, strong bases
Storage Class: Poison, toxic for aquatic environment
Special Requirements: Secondary containment for large volumes, secure storage to prevent unauthorized access
Exposure Limits: No OSHA PEL or ACGIH TLV established, recommend minimizing exposure as much as possible
Engineering Controls: Use fume hood or local exhaust ventilation
Personal Protective Equipment: Nitrile or rubber chemical gloves, safety goggles or face shield, laboratory coat, closed-toe shoes, respiratory protection for airborne concentration above exposure limits
Hygiene Measures: Wash hands before breaks and after handling, do not eat, drink, or smoke in work areas, routine decontamination of work surfaces
Appearance: White crystalline powder
Odor: Mild amine or odorless
pH: 6.0-7.5 (50g/L water solution)
Melting Point: 293–297°C (decomposition)
Boiling Point: Not applicable (decomposes before boiling)
Flash Point: Not applicable
Flammability: Not flammable under normal conditions
Relative Density: 1.34 g/cm³
Solubility: Soluble in water
Vapor Pressure: Negligible at ambient temperature
Partition Coefficient: Not determined
Autoignition Temperature: Not determined
Reactivity: Not highly reactive under normal conditions
Chemical Stability: Stable at ambient temperatures and pressures
Possible Hazards: Decomposes under heat to release toxic gases
Incompatible Materials: Strong oxidizing agents, acids, strong bases
Hazardous Decomposition Products: Carbon oxides, nitrogen oxides, sulfur oxides, ammonia
Polymerization: Not expected to occur
Acute Toxicity: Oral LD50 (rat): 30–100 mg/kg, highly toxic if ingested
Skin Contact: Causes moderate irritation, redness, possibly burns with prolonged exposure
Eye Contact: Causes severe irritation, possible irreversible damage
Inhalation: Inhalation of dust or vapors may lead to respiratory tract irritation, coughing, and systemic effects
Chronic Effects: Potential for liver and nervous system effects after repeated, prolonged exposure
Carcinogenicity: Not classified as carcinogenic by IARC, NTP, OSHA
Mutagenicity: No data available
Reproductive Toxicity: No human studies
Ecotoxicity: Harmful to aquatic life with long lasting effects
Persistence and Degradability: Limited degradation in water, may persist in environment
Bioaccumulative Potential: Low, does not tend to bioaccumulate in aquatic organisms
Mobility in Soil: High, soluble in water, risk of contamination to groundwater
Other Adverse Effects: Contributes to increased nitrogen content in water systems, may spur algal growth and affect local fauna
Disposal Methods: Handle as hazardous chemical waste, incineration in approved facility preferred
Container Disposal: Decontaminate containers, dispose according to local, state, and federal regulations
Waste Codes: Must follow locally regulated codes for hazardous organic salts
Environmental Release: Avoid discharge to environment, do not dump into sewers, soil, or surface waters
Precautions: Label waste containers clearly, prevent leaks and spills during storage and transport
UN Number: 2811
Shipping Name: Toxic solid, organic, n.o.s. (contains Tetramethylammonium Sulfate)
Transport Hazard Class: 6.1 (Toxic substances)
Packing Group: II
Marine Pollutant: Yes
Special Precautions: Avoid contact, keep separated from food and feedstuffs in transit, use secure packaging
Label Requirements: Poison, Marine Pollutant, keep away from incompatible chemicals during transport
Other Info: Transport must comply with local, national, and international regulations for hazardous substances
US Regulations: TSCA listed, subject to RCRA hazardous waste rules if discarded
EU Regulations: REACH registered, subject to CLP Regulation for classification and labeling
Canada: DSL/NDSL listed
Other Country Inventories: Check local chemical inventories for status
Other Regulatory Details: Requires risk assessment for workplace and environmental exposure, subject to reporting if released in large quantities, must provide safety training to handlers
