Paraformaldehyde is a solid polymeric form of formaldehyde with the general formula (CH2O)n, where n represents the degree of polymerization. It is commonly available in two different concentrations: Paraformaldehyde 96% and Paraformaldehyde 91%. Both forms are widely used in various industries and applications.
Property | Paraformaldehyde 96% | Paraformaldehyde 91% |
---|---|---|
CAS Number | 30525-89-4 | 30525-89-4 |
Molecular Formula | (CH2O)n | (CH2O)n |
Appearance | White solid | White solid |
Purity | 96% min | 91% min |
Melting Point | 120-170°C (dec) | 120-170°C (dec) |
Density | ~1.41 g/cm³ | ~1.41 g/cm³ |
Solubility | Soluble in water | Soluble in water |
Odor | Characteristic | Characteristic |
Hazard Class | 4.1 (Flammable solid) | 4.1 (Flammable solid) |