Product Name: Triethylmethylammonium Bromide
Chemical Formula: C7H18BrN
CAS Number: 4614-14-2
Recommended Use: Laboratory chemicals and industrial synthesis
Supplier Details: Provided upon request from commercial manufacturer
Emergency Telephone Number: Provided by local regulatory authorities or company-specific contact
GHS Classification: Eye irritation, category 2A; Skin irritation, category 2
Signal Word: Warning
Hazard Statements: Causes skin irritation; causes serious eye irritation
Pictogram: Exclamation mark
Precautionary Statements: Wash skin thoroughly after handling; wear protective gloves and eye protection; avoid breathing dust or vapors; if on skin, wash with plenty of soap and water; if in eyes, rinse cautiously with water for several minutes
Potential Health Effects: Contact can cause itching, burning, or redness to skin and eyes; inhalation can irritate respiratory system; ingestion can cause gastrointestinal distress
Chemical Name: Triethylmethylammonium Bromide
Common Synonyms: N,N,N-Triethyl-N-methylammonium bromide, TEMAB
PURITY: Typical lab samples exceed 97% purity
Other Components: Trace impurities may include moisture or small amounts of related alkylammonium bromides
EC Number: 225-319-5
Molecular Weight: 210.14 g/mol
Eye Contact: Rinse with water for several minutes, lifting eyelids; seek immediate medical attention if irritation remains
Skin Contact: Remove contaminated clothing; wash skin with soap and water thoroughly; seek medical advice if irritation appears
Inhalation: Move person to fresh air; support breathing as needed; seek medical help if symptoms (coughing, throat irritation) persist
Ingestion: Rinse mouth with water; avoid making person vomit; call physician or poison control immediately
Most Important Symptoms: Irritation to eyes, skin or lungs; prolonged exposure can worsen reactions
Medical Attention Needed: Specialized care in case of large exposure, difficulty breathing, or severe eye contact
Suitable Extinguishing Media: Water spray, dry chemical, foam, or carbon dioxide
Specific Hazards: Emits toxic and irritating fumes under fire conditions including nitrogen and bromine compounds
Protective Equipment for Firefighters: Full-face self-contained breathing apparatus and protective clothing
Fire-Fighting Precautions: Avoid inhaling fumes; use water spray to cool containers; remove material if safe
Combustion Products: Carbon monoxide, carbon dioxide, hydrogen bromide, nitrogen oxides
Personal Precautions: Use suitable protective equipment; avoid inhaling dust and contact with skin and eyes; evacuate unnecessary persons
Environmental Precautions: Prevent entry into drains, soils, or waterways; contact local authorities if large spill threatens environment
Methods for Cleaning Up: Sweep up solid spills with minimal dust, place in labeled container for disposal; ventilate area; wash spill site thoroughly after pickup
Containment: Isolate spillage from incompatible materials and ignition sources
Precautions for Safe Handling: Wear appropriate PPE; avoid dust generation; ensure good ventilation; handle in fume hood if possible
Advice on General Hygiene: Do not eat, drink, or smoke in areas where this chemical is handled; wash hands after handling
Conditions for Safe Storage: Store in tightly closed container; keep in cool, ventilated, dry location; shield from light and incompatible materials (oxidizers, acids)
Storage Incompatibilities: Separate from oxidizing agents or strong acids
Packaging Materials: Use sealed glass or high-density plastic containers
Exposure Limits: No established occupational exposure limits
Engineering Controls: Use with local exhaust ventilation or chemical fume hood; avoid formation of dust aerosols
Personal Protective Equipment:
Appearance: White to off-white crystalline solid
Odor: Mild amine-like
Odor Threshold: Information unavailable
pH: Slightly alkaline in aqueous solution
Melting Point: 308-312°C (information may vary slightly depending on sample purity); decomposition may occur
Boiling Point: Data not available (compound decomposes before boiling)
Flash Point: Information not established
Evaporation Rate: Not applicable (solid at room temperature)
Flammability: Not readily flammable
Vapor Pressure: Negligible at room temperature
Vapor Density: Not applicable
Solubility: Soluble in water; also soluble in ethanol, methanol, DMSO
Partition Coefficient: Not determined
Autoignition Temperature: Data unavailable
Decomposition Temperature: Above 312°C, significant decomposition potential
Viscosity: Not applicable to solid material
Chemical Stability: Stable under normal laboratory conditions; avoid moisture ingress
Reactivity: No hazardous polymerization; reacts with strong oxidizers and strong acids
Conditions to Avoid: Excess heating, exposure to moisture, accidental contact with incompatible chemicals
Incompatible Materials: Strong oxidizing agents, strong acids, acid chlorides
Hazardous Decomposition Products: Bromide vapors, nitrogen oxides, methyl and ethyl amines
Acute Toxicity: Limited direct data; similar quaternary ammonium compounds show low oral toxicity in rodents (LD50 > 500 mg/kg); can be harmful if ingested in large quantities
Skin Corrosion/Irritation: May cause mild to moderate irritation
Eye Damage/Irritation: Causes strong irritation; risk of damage if not promptly rinsed
Respiratory Sensitization: Dusts can cause respiratory irritation
Chronic Effects: Prolonged or repeated exposure can lead to dermatitis or oropharyngeal irritation
Germ Cell Mutagenicity: No data found for this compound
Carcinogenicity: Not classified as carcinogen by NTP, IARC, or OSHA
Reproductive Toxicity: No conclusive animal or human data
Other Information: All laboratory chemical handling should respect the lack of fully characterized toxicological profiles
Aquatic Toxicity: No definitive studies for this compound; general risk from quaternary ammonium salts includes moderate toxicity to aquatic life
Persistence and Degradability: May not biodegrade rapidly; potential for accumulation in soils or sediments
Bioaccumulative Potential: Not expected to bioaccumulate significantly based on structure
Mobility in Soil: Soluble in water, likely mobile
Other Adverse Effects: Avoid discharge to environment; caution required for laboratory wastewaters
Waste Disposal Methods: Collect residues and contaminated materials; utilize a licensed chemical disposal contractor; incineration at approved facility recommended
Container Disposal: Rinse empty containers thoroughly; dispose in accordance with local, state, and federal regulations
Environmental Precautions: Do not discharge to waterways or soil; avoid creating laboratory wastewater with unneutralized residues
UN Number: Not classified as a dangerous good under UN transport regulations
Proper Shipping Name: Triethylmethylammonium Bromide
Transport Hazard Classes: Material not regulated for land, air, or sea freight
Packing Group: Not assigned
Environmental Hazards: Non-marine pollutant
Special Precautions for Transport: Keep containers sealed and protected from physical damage or moisture exposure throughout shipping
Labeling: Standard chemical labeling for laboratory materials
US TSCA Inventory: Listed
REACH Status (EU): Registration or notification may be required for quantities above threshold limits
OSHA Hazards: Eye and skin irritant
SARA 313: Not subject to reporting
California Proposition 65: Not listed
Other Regulatory Notes: Check local or regional requirements before import, export, or disposal; always update information with supplier SDS for current compliance data
