NAME: Trimethyl Phosphite
SYNONYM(s): (1)RTECS 85-86
IMIS: T125
CAS: 121-45-9
NIOSH: RTECS TH1400000; 59624
DOT: UN2329 Flammable Liquid
DESCRIPTION:
Colorless liquid, insoluble in water; soluble in hexane,
benzene, acetone, alcohol, ether, carbon tetrachloride
& kerosene;
BP:
108-108.5 C
FP:
37.7 C
MW:
124.09
MOLFM:
C3H9O3P
Exposure Limits
ACGIH TLV:
2 ppm, 10 mg/m3 TWA
NIOSH REL: 2 ppm TWA
Health Factors
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
NOTE:
Compound appears to react over time to form another compound after desorption and even on sitting in solution. It may be forming trimethly phosphate but no confirmation of that.
COND:
30 m SE30 1 u film, 80 deg C isothermal
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