Calcium phosphide - Names and Identifiers
Calcium phosphide - Physico-chemical Properties
| Molecular Formula | Ca3P2
|
| Molar Mass | 182.182 |
| Melting Point | 0.16℃ |
Calcium phosphide - Introduction
Calcium phosphide is a chemical compound with the chemical formula Ca3P2. The following is an introduction to the nature, use, preparation and safety information of calcium phosphide:
Nature:
1. Appearance: calcium phosphide is a gray-white solid.
2. Melting point: The melting point of calcium phosphide is high, about 1750°C.
3. density: the density of calcium phosphide is relatively high, about 2.51g/cm³.
4. Solubility: Calcium phosphide is insoluble in water, but can be dissolved under acidic conditions.
5. toxicity: calcium phosphide has certain toxicity, careful use.
Use:
1. chemical preparation: calcium phosphide can be used as a raw material for the preparation of other phosphide compounds, such as phosphine.
2. fire extinguishing agent: calcium phosphide can be used as fire extinguishing agent, especially suitable for metal fire.
3. preservative: calcium phosphide can be used as a metal preservative, in some special cases can play a role in rust prevention.
Preparation Method:
The preparation of calcium phosphide is generally obtained by reacting metallic calcium with phosphine. The reaction formula is:
3 Ca 2 P2H4 -> Ca3P2 4 H2
Safety Information:
calcium phosphide has a certain toxicity, the operation needs to wear protective glasses and gloves. Avoid inhaling its dust and avoid contact with skin and eyes. Keep away from fire and oxidant during handling and storage. If contact or ingestion occurs, seek medical attention immediately.
Last Update：2024-04-10 22:29:15