Trimethyl phosphate
Agent Name
Trimethyl phosphate
CAS Number
512-56-1
Formula
C3-H9-O4-P
Major Category
Other Classes
Synonyms
O,O,O-Trimethyl phosphate; Phosphate, trimethyl-; Phosphoric acid, trimethyl ester; TMP; TMPA; TMPO; Trimethoxyphosphine oxide; Trimethyl orthophosphate; Trimethylfosfat [Czech]; [ChemIDplus]
Category
Organophosphates, Other
Description
Clear liquid; [Hawley]
Sources/Uses
Used as a gasoline additive, methylating agent, flame-resistant solvent for paints and polymers, catalyst in polymers and resins, and to make polymethyl polyphosphates; [HSDB]
Comments
Danger of cutaneous absorption; Carcinogenicity in man cannot be assessed conclusively because of insufficient data (Group 3B); "Germ cell mutagens that have shown to increase the mutant frequency in the progeny of exposed mammals." [MAK] A skin, eye, and respiratory tract irritant; Chronic or repeated exposure may cause flaccid paralysis and genetic damage; [ICSC] An irritant; Targets CNS; [MSDSonline]
Biomedical References
Exposure Assessment
Explanatory Notes
Flash point = 107 deg C; [ICSC] VP = 1.0 mm Hg at 78.8 deg F; [CAMEO]
Adverse Effects
Neurotoxin
Other CNS neurotoxin
Reproductive Toxin
Yes
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: