Project Description

PRODUCT SPECIFICATIONS

PRODUCT

Trimethyl phosphite

CAS #

121-45-9

SYNONYM

HSDB 1007; Trimethylfosfit [Czech]; EINECS 204-471-5; NSC 6513; fosforyntrojmetylowy; Superlist Names Phosphorous acid, trimethyl ester; Fosforyn trojmetylowy [Czech]; Trimethoxyfosfin; Methyl phosphite ((MeO)3P); UN2329; Trimethoxyphosphine; Trimethyl ester of phosphorous acid; Fosforyn trojmetylowy; P(OCH3)3; Methyl phosphite; Trimethylphosphite; Trimethoxyphosphine O,O,O-Trimethyl phosphite; Phosphoric acid, trimethyl ester; AI3-60394; Trimethyl phosphite [UN2329] [Flammable liquid]; UNII-26Q0321ZDG; Phosphonousacidtrimethylester; TRIMETHYL PHOSPHONATE; TMPI; UN 2329; Trimethoxyfosfin [Czech]; Trimethylfosfit; Phosphorus acid, trimethyl ester; Phosphorous acid, trimethyl ester; EC 204-471-5; PHOSPHOROUS ACID TRIMETHYL ESTER; TRIMETHYL PHOSPHITE

FORMULA

C3H9O3P

HAZARD

3 Flammable Liquids

MOLECULAR WEIGHT

124.08

EINECS

204-471-5

SMILES

P(OC)(OC)OC

INCHI

1S/C3H9O3P/c1-4-7(5-2)6-3/h1-3H3

INCHIKEY

CYTQBVOFDCPGCX-UHFFFAOYSA-N

WATER SOLUBILITY

7200 mg/L

BOILING POINT

111.5 ° C

LOG P (OCTANOL-WATER)

-0.730

ATMOSPHERIC OH RATE CONSTANT

8.36E-12 cm3/molecule-sec

VAPOR PRESSURE

18.7 mm Hg

HENRY’S LAW CONSTANT

1.07E-05 atm-m3/mole

BOILING POINT

111-112 °C

DENSITY

1.052 g/mL at 25 °C

VAPOR DENSITY

4.3

MELTING POINT

-78 °C

FLASH POINT

82 °F

SENSITIVE

Air & Moisture Sensitive

STORAGE TEMPERATURE

2-8°C

REFRACTIVE INDEX

 1.408

VAPOR PRESSURE

17 mm Hg ( 20 °C)

WATER SOLUBILITY

Hydrolyzes with water.

NOTES

Trimethyl phosphite uses and applications include: Chemical intermediate for insecticides, pesticides, fire retardants, pharmaceuticals, and organic phosphorus additives; antioxidant, metal chelator for polyester; reagent
Suggested storage of Trimethyl phosphite: Air- and moisture-sensitive

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