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CAS号:
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7664-39-3
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英文名称:
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Hydrogen fluoride
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英文同义词:
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HF;HF2;HydrofL;Rubigine;antisal2b;60% HF/DMF;uoric acid;Fluorowodor;Fluoric acid;hydrofluoric
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中文名称:
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氢氟酸
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中文同义词:
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氟氢酸;氟化氢;氢氟酸;稀氢氟酸;无水氢氟酸;无水氟化氢;琼脂QFS;氢氟酸厂家;氟化氢溶液;Q**氢氟酸
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分子式:
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FH
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分子量:
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20.01
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- 熔点 :
- -35°C
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- 沸点 :
- 105°C
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- 密度 :
- 1.15 g/mL at 25 °C(lit.)
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- 蒸气密度:
- 1.27 (vs air)
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- 蒸气压:
- 25 mm Hg ( 20 °C)
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- 闪点 :
- 112°C
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- 酸度系数(pKa):
- 3.17(at 25℃)
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- 形态:
- Liquid, Double Sub-Boiling Quartz Distillation
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- 颜色:
- max. 10
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- 比重:
- 1.15
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- 酸碱指示剂变色ph值范围:
- 1
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- 气味 (Odor):
- Acrid, irritating odor
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- 水溶解性 :
- soluble
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- 敏感性 :
- Hygroscopic
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- Merck :
- 14,4790
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- 暴露限值:
- Ceiling limit 3 ppm (～2.5 mg/m3) as F (ACGIH); TWA 3 ppm (MSHA and OSHA).
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- 稳定性:
- Stable. Hygroscopic. Incompatible with glass, alkali metals, light metals, alkaline earth metals
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- CAS 数据库:
- 7664-39-3(CAS DataBase Reference)
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- NIST化学物质信息:
- Hydrogen fluoride(7664-39-3)
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- EPA化学物质信息:
- Hydrofluoric acid (7664-39-3)
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| 危险类别码 : |
26/27/28-35-36/37/38-20/21/22 |
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| 安全说明 : |
26-36/37/39-45-7/9-36/37-28-36 |
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| DOT Classification: |
8, Hazard Zone C (Corrosive material) |
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| 毒害物质数据: |
7664-39-3(Hazardous Substances Data) |
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| 毒性: |
LC50 (15 min.) in rats, guinea pigs: 2689, 4327 ppm (Rosenholtz) |
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