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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) |