GB Serial No.

41533

CAS No.

30525-89-4

Name

Paraformaldehyde Polyoxymethylene

Alias

ParaformSolid formaldehyde

Molecular Formula

(CH 2 O) n

Appearance & Properties

white crystalline powder of low molecular weight, has formaldehyde's odor

Molecular Weight

(30) n

Steam Pressure

0.19kPa/25; flash point 70

Melting Point

120 ∼ 170

Solubility

Does not dissolve in the ethanol, slightly dissolves in the cold water, dissolves in the diluted acid and dilute base.

Density

Relative Density ( water =1)1.39 Relative Density ( air =1)1.03

Stability

stable

Danger Sign

8( flammable solid )

Main Uses

Mainly use for making various kinds of synthetic resin and binder,etc., is used for making fumigant, bactericide and insecticide