Product Name: Tetraethylammonium Dihydrogen Phosphate
Synonyms: TEA-DHP
Chemical Formula: C8H22NO4P
CAS Number: 5896-38-8
Relevant Uses: Laboratory reagent, chemical synthesis
Supplier Information: Contact details and emergency telephone information provided by the manufacturer label
Emergency Contact: Chemtrec or local emergency services
GHS Classification: Not classified as hazardous under GHS regulations in most circumstances
Signal Word: None required
Hazard Statements: May cause respiratory irritation; may cause mild skin and eye irritation with direct contact
Precautionary Statements: Avoid inhalation of dust, wash hands thoroughly after use, seek fresh air if inhaled
Pictograms: No obligatory pictogram noted
Other Hazards: Fine particulates can create mild respiratory discomfort in poorly ventilated spaces
Chemical Name: Tetraethylammonium Dihydrogen Phosphate
Purity: Greater than 98%
Impurities: Trace levels of related quaternary ammonium salts
Component: Tetraethylammonium cation, dihydrogen phosphate anion
Other Details: Not known to contain listed carcinogens or mutagens
Inhalation: Move to fresh air, monitor breathing, seek medical attention if symptoms persist
Skin Contact: Wash thoroughly with soap and water, remove contaminated clothing, consult doctor if irritation develops
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, get medical help if redness or pain continues
Ingestion: Rinse mouth, do not induce vomiting, seek immediate medical assistance with symptom descriptions
Acute Symptoms: Minor irritation of eyes, skin, and respiratory tract possible on exposure
Suitable Extinguishing Media: Use water spray, carbon dioxide, dry chemical, or foam
Special Hazards: Decomposes at high temperatures to form toxic fumes of nitrogen oxides, phosphorus oxides, and organic vapors
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective clothing
Firefighting Advice: Move containers away from fire area, prevent run-off from entering drains
Combustion Products: Carbon oxides, nitrogen oxides, and phosphoric acid vapor possible
Personal Precautions: Avoid creating dust, ventilate area, use recommended personal protective equipment
Measures for Spill: Sweep up using tools that minimize dust, place in appropriate labeled waste container, wash area with water after cleaning
Environmental Precautions: Prevent entry into sewers and waterways
Cleanup Methods: Use inert absorbent for significant liquid spills, collect in closed containers for disposal
Disposal: Follow hazardous waste procedures as advised by regulatory authorities
Handling: Handle in well-ventilated area, avoid inhalation and contact with skin or eyes, use compatible chemical-resistant gloves and eye protection
Storage: Keep in tightly closed containers in cool, dry, well-ventilated place, away from incompatible substances such as strong oxidizers
Storage Conditions: Protect container from physical damage, keep away from heat and sources of ignition, do not store with food or drink
Other Notes: Label all containers clearly, ensure easy access to material safety data sheets at storage location
Exposure Limits: No established occupational exposure limits known for this compound
Engineering Controls: Use laboratory fume hood or local exhaust ventilation
Personal Protection: Wear safety goggles, chemical-resistant gloves, lab coat, appropriate respiratory protection if dust is generated
Hygiene Measures: Wash hands after handling, avoid eating or drinking in work area, keep work clothing separate from other clothes
Monitoring: Review workplace air quality and spill protection procedures regularly
Appearance: White to off-white crystalline powder
Odor: Odorless
Odor Threshold: Not determined
pH: Approximately 4.0 (in aqueous solution)
Melting Point/Freezing Point: Decomposes above 200°C
Initial Boiling Point/Range: Not applicable (decomposes on heating)
Flash Point: Not flammable as solid
Evaporation Rate: Not applicable
Flammability (solid/gas): Not flammable
Vapor Pressure: Negligible at ambient temperature
Vapor Density: Not applicable
Relative Density: About 1.3 g/cm³
Solubility in Water: Soluble
Partition Coefficient: Not applicable for ionic compound
Auto-ignition Temperature: Not determined
Decomposition Temperature: Greater than 200°C
Viscosity: Not applicable
Chemical Stability: Stable in closed containers under recommended storage conditions and at room temperature
Reactivity: No hazardous reactivity under normal conditions
Possibility of Hazardous Reactions: None expected under standard use
Conditions to Avoid: Exposure to heat, moisture, and strong acids or bases
Incompatible Materials: Strong oxidizing agents, strong acids, strong bases
Hazardous Decomposition Products: Nitrogen oxides, phosphorous oxides, and organic fumes under fire or decomposition
Routes of Exposure: Inhalation, skin and eye contact, ingestion
Acute Toxicity: Not known to be acutely toxic; animal or human LD50 values not widely available
Skin Corrosion/Irritation: Can cause mild irritation on prolonged contact
Serious Eye Damage/Irritation: May cause mild irritation with direct exposure
Respiratory or Skin Sensitization: Not expected to cause sensitization
Germ Cell Mutagenicity: No data indicating mutagenicity
Carcinogenicity: Substance not classified as carcinogenic by IARC, NTP, or OSHA
Reproductive Toxicity: No evidence of reproductive toxicity in available studies
Chronic Effects: No chronic effects documented with proper use
Aquatic Toxicity: No specific data available; similar ammonium compounds have shown low to moderate aquatic toxicity
Persistence and Degradability: Expected to be persistent in soil and water due to ionic stability
Bioaccumulation: Not expected to bioaccumulate due to water solubility
Mobility in Soil: High solubility suggests potential for leaching through soil with water movement
Other Information: Avoid uncontrolled release to the environment, as with all laboratory chemicals
Disposal Methods: Collect and place in sealed, labeled waste containers for hazardous chemical disposal
Waste Recycling Options: Small amounts can be diluted and flushed if allowed by local regulations — large quantities require licensed chemical disposal
Contaminated Packaging: Dispose of as hazardous waste, rinse thoroughly before discarding according to regional rules
Precautions: Prevent chemical from entering groundwater or municipal drains
UN Number: Not regulated as a dangerous good under international transport rules (IMDG, IATA, ADR)
Proper Shipping Name: Not assigned
Transport Hazard Class: Not applicable
Packing Group: Not assigned
Environmental Hazards: Avoid shipment with foodstuffs and animal feed
Special Precautions for User: Use secure, sealed containers, protect from moisture, prevent container rupture during shipment
OSHA: Not specifically listed as hazardous
TSCA: Listed on the US Toxic Substances Control Act Inventory
REACH: Pre-registered in the European Union; user may need to confirm latest status with supplier
SARA Title III: Not listed in SARA Section 302, 304, or 313 categories
DSL/NDSL (Canada): Consult supplier for compliance assurance
California Proposition 65: Not listed as a chemical known to cause cancer or reproductive toxicity
Other Relevant Regulations: Ensure compliance with local, national, and international chemical safety guidelines before use
