Introduction
National Standard No.: 41533
CAS： 30525-89-4
English name: Paraformaldehyde
Byname: paraform, solid formaldehyde
Purity: 91～96%
Molecular formula: (CH2O)n
Appearance and character: low molecular weight, white granule powder, with formaldehyde flavor
Molecular weight: (30)n
Vapor pressure: 0.19kPa/25℃ Flash point: 70℃
Melting point: 120～170℃
Solubility: nonsoluble in ethanol, soluble in water and soluble in diluted acid or alkali
PH value: 4～7
Density: relative density (water=1) 1.39, relative density (air=1) 1.03

Applications:
1. Agricultural chemicals: used for production of herbicide, pesticide and bactericide, such as glyphosate, acetochlor, butachlor, machete, bismerthiazol, etc.
2. Coatings: used for synthesis of oil paint and top-grade for car paint.
3. Medicines: used for medical and hygienic disinfection instead of the formaldehyde
4. Resins: used for synthesis of glycol, trimethylolpropane, N-Methylolacrylamide, pentaerythritol, urea-formaldehyde resin, phenolic resin, melamine resin, ion exchange resin,high concentration resin etc.
5. Others: used for the paper making, the production of vitamin A, spiceries, terpenoid derivatives, developers, vinyl resin softener and the substitution of formaldehyde in synthetic resin, surfactant, plastics, rubber, leather, paper making, dyes, pharmacy, farm chemicals, films, detonators, building materials as well as disinfection, fumigation and antisepsis.