Product Name: Tetraethylammonium Chloride
Synonyms: TEA Chloride, TEAC
Chemical Formula: (C2H5)4NCl
CAS Number: 56-34-8
Recommended Use: Laboratory chemical, research and development
Manufacturer: Refer to supplier label for contact details
Emergency Contact: Refer to local/national emergency numbers and supplier’s emergency contact system
GHS Classification: Acute Toxicity (Oral, Category 4), Eye Irritation (Category 2A), Skin Irritation (Category 2)
Pictogram: Exclamation mark
Signal Word: Warning
Hazard Statements: Harmful if swallowed. Causes skin and eye irritation. May cause respiratory tract irritation.
Precautionary Statements: Avoid inhalation and contact with skin or eyes. Use with proper personal protection. Wash hands after handling.
Chemical Name: Tetraethylammonium Chloride
Synonyms: Tetraethylamine hydrochloride
Concentration: >98%
Molecular Weight: 165.7 g/mol
Ingredient Disclosure: No other hazardous ingredients present above reportable levels
Inhalation: Move to fresh air. Keep at rest. Seek medical attention if symptoms develop.
Skin Contact: Remove contaminated clothing. Wash skin thoroughly with soap and water. Get medical advice if irritation persists.
Eye Contact: Rinse cautiously with water for several minutes. Remove contact lenses if present. Continue rinsing and seek prompt medical care.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical attention immediately.
Most Important Symptoms: Respiratory tract irritation, skin redness, eye discomfort, gastrointestinal upset after ingestion
Suitable Extinguishing Media: Use water spray, alcohol-resistant foam, dry chemical, or carbon dioxide.
Specific Hazards: Hydrogen chloride, nitrogen oxides, carbon oxides may form under fire conditions.
Protective Equipment: Use self-contained breathing apparatus and protective gear for firefighters.
Advice for Firefighters: Stay upwind. Prevent runoff from fire control to enter drains or water courses.
Personal Precautions: Evacuate area. Avoid breathing dust or fumes. Wear appropriate personal protective equipment, including gloves, goggles, and mask.
Spill Cleanup Methods: Sweep or scoop spilled material into suitable containers for disposal. Avoid raising dust. Ventilate area. Wash spill site after cleanup.
Environmental Precautions: Do not allow entry into drains or natural water sources. Notify authorities if spill enters waterway.
Safe Handling: Avoid contact with skin, eyes, and clothing. Prevent inhalation of dust. Handle in well-ventilated area, preferably under a fume hood.
Storage Conditions: Keep container tightly closed in dry, cool, well-ventilated area. Store away from incompatible materials such as strong oxidizers and acids.
Incompatible Materials: Strong oxidizing agents, strong acids
Hygiene Practices: Do not eat, drink, or smoke during use. Wash hands and face after handling.
Engineering Controls: Use local exhaust or laboratory fume hood to minimize exposure.
Personal Protective Equipment: Chemical-resistant gloves (nitrile recommended), safety goggles, protective clothing, and, if airborne dust is possible, use a NIOSH-approved respirator.
Control Parameters: No occupational exposure limits established for Tetraethylammonium Chloride by OSHA, NIOSH, or ACGIH.
Environmental Controls: Contain spills and prevent contamination of soil, water, and sewage systems.
Appearance: White crystalline powder
Odor: Odorless
Odor Threshold: Not applicable
pH: 5.0 - 7.0 (aqueous solution)
Melting Point/Freezing Point: 285°C (decomposes)
Boiling Point/Range: Not applicable (decomposes)
Flash Point: Not flammable
Evaporation Rate: Not applicable
Flammability: Not flammable
Upper/Lower Flammability Limits: Not applicable
Vapor Pressure: Negligible
Vapor Density: Not applicable
Relative Density: 1.08 g/cm³
Solubility: Soluble in water, slightly soluble in alcohol
Partition coefficient (n-octanol/water): Not determined
Auto-ignition Temperature: Not applicable
Decomposition Temperature: >285°C
Viscosity: Not applicable
Chemical Stability: Stable under normal conditions and recommended storage.
Reactivity: No known hazardous reactions under normal conditions.
Hazardous Reactions: Can react with strong oxidizers and acids.
Conditions to Avoid: Excess heat, moisture, and oxidizing environments.
Incompatible Materials: Strong oxidizing agents, acids.
Hazardous Decomposition Products: Hydrogen chloride, nitrogen oxides, carbon oxides
Likely Routes of Exposure: Ingestion, inhalation, skin and eye contact
Acute Toxicity: Harmful if swallowed. Animal studies report LD50 (oral, rat) ~150-300 mg/kg.
Chronic Effects: Data on repeated exposure is limited. Repeated or prolonged exposure can cause skin dryness or cracking.
Irritation: Causes moderate to severe eye and skin irritation.
Symptoms of Exposure: Cough, shortness of breath, redness, nausea, abdominal pain
Carcinogenicity: Not classified as a carcinogen by IARC, NTP, or OSHA
Mutagenicity: Not reported
Reproductive Toxicity: Not reported
Sensitization: No evidence of skin sensitizing potential in available studies.
Ecotoxicity: May be harmful to aquatic life at high concentrations.
Aquatic Toxicity: Limited data available; use caution to avoid environmental exposure.
Persistence and Degradability: Does not readily degrade. Resistant to hydrolysis.
Bioaccumulative Potential: No significant bioaccumulation expected.
Mobility in Soil: Mobile in aqueous environments; can leach through soil.
Other Adverse Effects: May disrupt aquatic ecosystems if released in quantity.
Product Disposal: Treat as hazardous chemical waste. Dispose through licensed waste contractor. Avoid disposal into municipal drains, soil, or natural waterways.
Container Disposal: Empty containers must be triple rinsed and disposed of according to local, regional, or national regulations.
Unclean Packaging: Disposal handled as indicated for product itself.
Special Precautions: Consult authorized waste disposal operators for best handling.
UN Number: Not classified as dangerous goods for transport
Transport Hazard Class: Not regulated
Packing Group: Not applicable
Proper Shipping Name: Tetraethylammonium Chloride
Marine Pollutant: No
Special Transport Precautions: Secure packaging and prevent damage. Avoid contact with incompatible substances during transit.
US TSCA: Listed
EU REACH: Registered or pre-registered
SARA Title III: Not subject to reporting under Section 313
California Proposition 65: Not listed
Workplace Classification: Handle according to hazard classification as irritating and harmful substance.
Other National Lists: Meets criteria for classification per GHS and CLP regulations. Consult local, state, or national requirements for additional guidelines.
