Trimethyl phosphate CAS  512-56-1 is an organic compound with the molecular formula C3H9O4P. English name Trimethylphotosphate; Nickname trimethyl phosphate, trimethyl phosphate; Molecular weight 140.08. Mainly used as a solvent and extractant for pharmaceuticals and pesticides. It is also used as an additive flame retardant and plasticizer, but its flame retardant efficiency is not high and its volatility is high. It generally works in conjunction with other flame retardants.

Chinese name: Trimethyl phosphate

Foreign name: Trimethylphotosphate; Methyl photosphate

Nickname: Methyl phosphate; Trimethyl phosphate ester; Methyl phosphate; Trimethyl phosphate

Molecular formula: C3H9O4P; (CH3O) 3PO

Molecular weight: 140.08

Melting point: -46 ℃

Boiling point: 197 ℃

CAS login number: 512-56-1

Physical and chemical properties

Appearance and properties: colorless and transparent liquid

Melting point: -46 ℃

Boiling point: 197 ℃

Flash point: 107 ℃

Solubility: soluble in water, gasoline, slightly soluble in alcohol

Density: Relative density (water=1) 1.215 (19.5 ℃)

Stability: Stable

Relative density 1.215

Refractive index 1.3967

Purpose

1： Mainly used as a solvent and extractant for pharmaceuticals and pesticides

2： Used as reagents, solvents, extractants, and gas chromatography stationary liquids for the determination of zirconium

3： Mainly used as a solvent and extractant for pharmaceuticals and pesticides. Pesticide intermediates. In Japan, it is mainly used as an anti colorant for textile oils and polymers.

4： Determination of zirconium. Gas chromatography stationary liquid (maximum operating temperature 50, solvent ether). Solvent. Extractant. Semiconductor diffusion source.

5： Flame retardant additives for lithium-ion batteries

6： Solvents and extractants for pharmaceuticals and pesticides, used as reagents, solvents, extractants, and gas chromatography stationary phases for the determination of zirconium. Trimethyl phosphate is also used as a solvent and extractant for pharmaceuticals and pesticides.

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