Methyl propionate is an organic compound with the chemical formula C4H8O2. It is a colorless and transparent liquid, slightly soluble in water and miscible in ethanol and ether. It is often used as a solvent for nitrocellulose, nitrocellulose paint, paint, varnish, etc. it can also be used as a solvent for spices and condiments, and as an intermediate in organic synthesis. 

Basic information:

Chemical formula：C4H8O2

Molecular weight：88.105

CAS No：554-12-1

EINECS No.：209-060-4

 Properties：

It is colorless and fruity liquid, with the relative density of 0.9150 (20° C). Melting point being − 87.5 ° C, boiling point being 79.8 ° C. Flash point being − 2 ° C. its refractive index is 1.3775 (20 ° C). Slightly soluble in water, miscible in alcohol, ether, hydrocarbon and other organic solvents. It is flammable, irritating and narcotic. Oral LD50 3460 mg / kg in mice.

Preparation：

It is obtained by esterification of propionic acid and methanol catalyzed by sulfuric acid, through neutralization and fractionation.

Purpose：

It can be used as a solvent for nitrocellulose, nitrocellulose paint, paint, varnish, etc. It can also be used as a solvent for spices and condiments, as well as an intermediate in organic synthesis.

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