推荐产品
等级
analytical standard
质量水平
蒸汽密度
2.9 (vs air)
蒸汽压
24.45 psi ( 55 °C)
6.83 psi ( 20 °C)
检测方案
≥99.9% (GC)
自燃温度
1223 °F
保质期
limited shelf life, expiry date on the label
包含
0.002% amylene as stabilizer
expl. lim.
22 %
技术
HPLC: suitable
gas chromatography (GC): suitable
折射率
n20/D 1.424 (lit.)
n20/D 1.424
bp
39.8-40 °C (lit.)
mp
−95 °C (lit.)
密度
1.325 g/mL at 25 °C (lit.)
应用
agriculture
cleaning products
cosmetics
environmental
food and beverages
personal care
格式
neat
SMILES字符串
ClCCl
InChI
1S/CH2Cl2/c2-1-3/h1H2
InChI key
YMWUJEATGCHHMB-UHFFFAOYSA-N
正在寻找类似产品? 访问 产品对比指南
一般描述
二氯甲烷（亚甲基氯）是一种透明、无色、不易燃、易挥发、气味甜美宜人的液态氯化烃，加热分解时会散发出剧毒的光气烟雾。它主要用作脱漆剂、气雾剂的溶剂，以及制药溶剂。它还用作乙烷泡沫发泡剂和电子产品制造中的脱脂剂。最重要的是，它可用作制备脱咖啡因的咖啡、啤酒花浸膏和香料油树脂的提取溶剂。
应用
二氯甲烷可用作气相色谱（GC）法检测香料油树脂、生物样品以及脱咖啡因的速溶咖啡和研磨咖啡样品中分析物的参考标准品。
警示用语：
Warning
危险分类
Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Central nervous system
WGK
WGK 2
闪点(°F)
does not flash
闪点(°C)
does not flash
个人防护装备
Eyeshields, Faceshields, Gloves
法规信息
危险化学品
Jeanne Mager Stellman
Encyclopaedia of Occupational Health and Safety: Guides, indexes, directory, 104, 242-242 (1998)
Paraldehyde, toluene, and methylene chloride analysis by headspace gas chromatography
Anthony RM, et al.
Journal of Analytical Toxicology, 2(6), 262-264 (1978)
Gas chromatographic determination of residual methylene chloride and trichloroethylene in decaffeinated instant and ground coffee with electrolytic conductivity and electron capture detection
Page BD and Charbonneau CF
Journal of the Association of Official Analytical Chemists, 60(3), 710-715 (1977)
Capillary gas chromatography with cryogenic oven temperature for headspace samples: analysis of chloroform or methylene chloride in whole blood
Watanabe K, et al.
Analytical Chemistry, 69(24), 5178-5181 (1997)
Determination of methylene chloride, ethylene dichloride, and trichloroethylene as solvent residues in spice oleoresins, using vacuum distillation and electron capture gas chromatography
Page BD and Kennedy BPC
Journal of the Association of Official Analytical Chemists, 58(5), 1062-1068 (1975)
商品
顶空级溶剂在有机挥发性杂质分析之中的应用
The Utility of Headspace Grade Solvents for the Analysis of Organic Volatile Impurities
我们的科学家团队拥有各种研究领域经验，包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.
联系技术服务部门