Triethyl phosphate , ≥99.5% , 78-40-0

Synonym(s):
Ethyl phosphate;Phosphoric acid triethyl ester, TEP;TEP;Triethyl phosphate

CAS NO.：78-40-0

Empirical Formula: C6H15O4P

Molecular Weight: 182.15

MDL number: MFCD00009077

EINECS: 201-114-5

PRODUCT Properties

• Melting point: -56 °C
• Boiling point: 215 °C (lit.)
• Density: 1.072 g/mL at 25 °C (lit.)
• vapor density: 6.28 (vs air)
• vapor pressure: 1 mm Hg ( 40 °C)
• refractive index: n20/D 1.403(lit.)
• Flash point: 240 °F
• storage temp.: Store below +30°C.
• solubility: 500g/l (slow decomposition)
• form: Liquid
• color: Clear
• Specific Gravity: 1.072
• PH: 7 (H2O, 20℃)
• Odor: mild cider
• explosive limit: 1.2-10%(V)
• Water Solubility: SOLUBLE
• Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
• Merck: 14,9674
• BRN: 1705772
• Dielectric constant: 7.2（20℃）
• Stability: Stable. Combustible. Incompatible with strong oxidizing agents, water.
• InChIKey: DQWPFSLDHJDLRL-UHFFFAOYSA-N
• LogP: 1.11 at 20℃
• CAS DataBase Reference: 78-40-0(CAS DataBase Reference)
• NIST Chemistry Reference: Triethyl phosphate(78-40-0)
• EPA Substance Registry System: Triethyl phosphate (78-40-0)

Description and Uses

Triethyl phosphate is use as a flame retardant in the manufacture of polyisocyanurate (PIR) and polyurethane (PUR) foam insulation and thermoset plastic products. The chemical compound is also used as a viscosity reducer in plastic resins, and as a catalyst, solvent or intermediate in the production of pesticides, pharmaceuticals, lacquers and other products.As ethylating agent; formation of polyesters which are used as insecticides.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H302-H319
• Precautionary statements: P305+P351+P338
• Hazard Codes: Xn
• Risk Statements: 22-36
• Safety Statements: 25-26
• WGK Germany: 1
• RTECS: TC7900000
• Autoignition Temperature: 845 °F
• TSCA: Yes
• HS Code: 29190090
• Hazardous Substances Data: 78-40-0(Hazardous Substances Data)
• Toxicity: LD50 orally in Rabbit: 1165 mg/kg