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CAS号:
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74-87-3
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英文名称:
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METHYL CHLORIDE
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英文同义词:
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R40;R 40;R-40;Artic;CH3Cl;HCC40;freon40;Freon 40;Chlormethan;Clorometano
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中文名称:
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氯甲烷
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中文同义词:
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甲基烷;氯甲烷;甲基氯;氯代甲烷;一氯甲烷;一氯化甲烷;氯甲烷 溶液;一氯甲烷厂家;钢瓶一氯甲烷;(一)氯甲烷
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分子式:
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CH3Cl
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分子量:
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50.49
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- 熔点 :
- −97 °C(lit.)
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- 沸点 :
- −24.2 °C(lit.)
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- 密度 :
- 0.915 g/mL at 25 °C(lit.)
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- 蒸气密度:
- 1.74 (vs air)
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- 蒸气压:
- 3796 mm Hg ( 20 °C)
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- 折射率 :
- 1.0007
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- 闪点 :
- <-30 °F
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- 储存条件 :
- 2-8°C
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- 溶解度 :
- water: soluble5.32g/L at 25°C
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- 形态:
- Colorless gas
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- 爆炸极限值(explosive limit):
- 19%
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- 水溶解性 :
- 5.347g/L(24.9 ºC)
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- Merck :
- 14,6041
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- BRN :
- 1696839
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- Henry's Law Constant:
- In seawater: 5.22 at 5 °C, 6.36 at 10 °C, 8.72 at 15 °C, 9.35 at 20 °C, 11.20 at 25 °C (Moore, 2000)
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- 暴露限值:
- TLV-TWA 50 ppm (～105 mg/m3) (ACGIH), 100 ppm (～210 mg/m3) (OSHA); ceiling 100 ppm (MSHA), 200 ppm (OSHA); TLV STEL 100 ppm (ACGIH); carcinogenicity: Animal Inadequate Evidence, Human Inad equate Evidence (IARC).
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- 稳定性:
- Stable. May react violently or explosively with interhalogens, magnesium, zinc, potassium, sodium or their alloys. Incompatible with natural rubber and neoprene composites, but does not attack PVA. Highly flammable. May decompose upon exposure to moist air or water.
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- CAS 数据库:
- 74-87-3(CAS DataBase Reference)
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- (IARC)致癌物分类:
- 3 (Vol. 41, Sup 7, 71) 1999
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- EPA化学物质信息:
- Chloromethane (74-87-3)
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| 危险类别码 : |
12-40-48/20-67-66-22-19-38-23/25-11-39/23/24/25-23/24/25-62-63 |
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| 安全说明 : |
9-16-33-29-36-24-45-7-36/37 |
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| DOT Classification: |
2.1 (Flammable gas) |
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| 毒性: |
LC50 (inhalation) for mice 3,146 ppm/7-h, rats 152,000 mg/m3/30-min (quoted, RTECS, 1985). |
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