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Paraformaldehyde

Technical

Molecular weight: (30)n
Vapor pressure: 0.19kPa/25℃
Flash point: 70℃
Melting point: 120~170℃
Solubility: insoluble in ethyl alcohol, slightly soluble in water, soluble in dilute acid, and dilute alkali
Density: Relative density (water=1)1.39;Relative density (air=1)1.03
Stability: stable
Risk label: 8(corrosive)
Storage: 2-8°C

Appearance white crystalline powder with low molecular weight
Formula HO-(CH2O)n-H,n=10-100
CAS RN 30525-89-4
Standards --
Use

Paraformaldehyde is mainly used in herbicide, in preparing synthetic resin and adhesive. Paraformaldehyde can also be used in pharmaceutical industry. 

 
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