Triethyl phosphate
Agent Name
Triethyl phosphate
CAS Number
78-40-0
Formula
C6-H15-O4-P
Major Category
Other Classes
Synonyms
Ethyl phosphate ((EtO)3PO); Ethyl phosphate (VAN); Phosphoric acid, triethyl ester; TEP; Triethoxyphosphine oxide; Triethylfosfat [Czech]; Triethylphosphate; Tris(ethyl) phosphate; [ChemIDplus]
Category
Organophosphates, Other
Description
Colorless liquid with a mild pleasant odor; [HSDB]
Sources/Uses
Used as a catalyst for acetic anhydride; as a desensitizing agent for peroxides; as a solvent; as a plasticizer for resins, plastics, and gums; as a lacquer remover; as a fire-retarding, anti-foaming, and ethylating agent; as a raw material for insecticides; and to make insecticides; [HSDB]
Comments
A severe skin, eye, and mucous membrane irritant; [CAMEO] "The substance is harmful with a narcotic effect and, at high doses, shows certain neurotoxic properties (inhibition of cholinesterase) without indicating delayed neurotoxicity." [eChemPortal: SIDSUNEP] An irritant; Targets nerves; [MSDSonline]
Biomedical References
Exposure Assessment
Vapor Pressure
0.393 mm Hg
Lethal Concentration
LCLo (rat) > 8,817 mg/m3/4h
Explanatory Notes
VP from ChemIDplus;
NFPA
must be preheated
WEEL
7.45 mg/m3
Adverse Effects
Other Poison
Organophosphate
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: