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270563 Sigma-Aldrich

Dichloromethane

≥99.9%

Synonym: Methylene chloride

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Properties

vapor density   2.9 (vs air)
vapor pressure   24.45 psi ( 55 °C)
  6.83 psi ( 20 °C)
assay   ≥99.9%
autoignition temp.   1223 °F
purified by   glass distillation
expl. lim.   22 %
impurities   Free halogens, passes test
  ≤0.0003 meq/g Titr. acid
  ≤0.02% water
evapn. residue   <0.0003%
color   APHA: ≤10
  clear
refractive index   n20/D 1.424(lit.)
bp   39.8-40 °C(lit.)
mp   −97 °C(lit.)
density   1.325 g/mL at 25 °C(lit.)
λ   H2O reference
UV absorption   λ: 235 nm Amax: 1.00
  λ: 240 nm Amax: 0.20
  λ: 250 nm Amax: 0.05
  λ: 260 nm Amax: 0.02
  λ: 340-400 nm Amax: 0.01
suitability   passes test for HPLC

Description

Packaging

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Application

Meets ACS specifications.

Price and Availability

Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Blood, Central nervous system, Liver
RIDADR 
UN 1593 6.1 / PGIII
WGK Germany 
2
RTECS 
PA8050000
Protocols & Articles

Articles

Determination of Water Content in Dichloromethane Using Karl Fischer Titration

The determination of water in halogenated hydrocarbons is simple and in most cases straightforward. Solubility in methanol is good and the use of 1-propanol or chloroform is only necessary in the cas...
Keywords: Pharmaceutical, Titrations

Determination of Water Content in Dichloromethane, free chlorine Using Karl Fischer Titration

The determination of water in halogenated hydrocarbons is simple and in most cases straightforward. Solubility in methanol is good and the use of 1-propanol or chloroform is only necessary in the cas...
Keywords: Titrations

Peer-Reviewed Papers
15

References

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