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CAS号:
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7782-44-7
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英文名称:
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Oxygen
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英文同义词:
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O2;lox;OXYGEN;oxigeno;oxygene;Dioxygen;MGC77447;hyperoxia;oxygen-16;oxygengas
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中文名称:
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氧
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中文同义词:
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氧;氧O;医氧;普氧;液氧;氧气;氧氣;高纯氧;液态氧;高纯氧气
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分子式:
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O2
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分子量:
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32
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- 熔点 :
- −218 °C(lit.)
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- 沸点 :
- −183 °C(lit.)
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- 密度 :
- 1.429（0℃）
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- 蒸气密度:
- 1.11 (vs air)
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- 蒸气压:
- >760 mmHg at 20 °C
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- 储存条件 :
- -20°C
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- 溶解度 :
- At 20 °C and at a pressure of 101 kPa, 1 volume dissolves in about 32 volumes of water.
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- 形态:
- colorless gas
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- 颜色:
- Colorless gas, liquid, or hexagonal crystals
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- 气味 (Odor):
- Odorless gas
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- 水溶解性 :
- one vol gas dissolves in 32 volumes H2O (20°C), in 7 volumes alcohol (20°C); soluble other organic liq, usually higher solubility than in H2O [MER06]
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- Merck :
- 13,7033
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- 稳定性:
- Stable. Vigorously supports combustion. Incompatible with phosphorus, organic materials, many powdered metals.
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- CAS 数据库:
- 7782-44-7(CAS DataBase Reference)
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- NIST化学物质信息:
- Oxygen(7782-44-7)
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- EPA化学物质信息:
- Oxygen (7782-44-7)
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| 危险类别码 : |
8-52/53-34-48/20/22-37 |
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| 安全说明 : |
17-45-36/37/39-26-61 |
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| 毒害物质数据: |
7782-44-7(Hazardous Substances Data) |
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| 毒性: |
OSHA recommends a minimum oxygen concentration of 19.5% for human occupancy. |
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