金|7440-57-5
- Molecular Structure:
- Name:
- 金|7440-57-5
- Cas:
- 7440-57-5
- Formula:
- Au
- Page View:
- Upload Time:
- 2019-03-28 09:56:28
- Features:
中文名称: 金
英文名称:Gold
CAS: 7440-57-5
分子式:Au
分子量:196.97
EINECS号:231-165-9
属性
熔点 1063 °C(lit.)
沸点 2808 °C(lit.)
密度 19.3 g/mL at 25 °C(lit.)
折射率 n20/589.3 1.523
闪点 4 °C
储存条件 2-8°C
溶解度 H2O: soluble
形态wire
颜色purple
比重19.3
酸碱指示剂变色ph值范围6 - 8
PH值6-8
电阻率 (resistivity)2.05 μΩ-cm, 0°C
水溶解性 Soluble in hot sulfuric acid and aqua regia. Insoluble in water and acid.
敏感性 Light Sensitive
Merck 13,4529
稳定性Stable. May react with halogens, strong oxidizing agents, ammonia, hydrogen peroxide. Reaction with ammonia or hydrogen peroxide may form explosive materials.