Formaldehyde is a colorless gas with a pungent odor. As a common volatile organic compound (VOC), it is widely present in both indoor and outdoor environments and is extensively used in the production of building materials, coatings, textiles, and other products.
| Chemical Name | Formaldehyde |
| Chemical Formula | CH2O |
| CAS | 50-00-0 |
| Appearance | Colorless, transparent gas with a pungent odor |
| Melting point | -117 °C |
| Boiling point | -19.5°C |
| Density（ρ20）, g/cm³ | 0.815g/cm³ |
| Molecular Weight | 30.03 |
| Solubility | Easily soluble in water |
Formaldehyde is widely used in organic synthesis, engineered wood products, coatings, textiles, and other industries.Formaldehyde is widely used in organic synthesis, engineered wood products, coatings, textiles, and other industries.
The core principles for formaldehyde storage involve ventilation, the use of adsorbent and decomposing materials, and understanding that its release is influenced by temperature and humidity. Stored formaldehyde solutions must be kept sealed and protected from light, with a small amount of methanol added to prevent polymerization. Note that formaldehyde is a toxic chemical requiring strict adherence to laboratory safety protocols to avoid human contact and environmental contamination.
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