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644501 Aldrich

Dichloromethane

purification grade

Synonym: Methylene chloride

  • CAS Number 75-09-2

  • Empirical Formula (Hill Notation) CH2Cl2

  • Molecular Weight 84.93

  •  Beilstein Registry Number 1730800

  •  EC Number 200-838-9

  •  MDL number MFCD00000881

  •  PubChem Substance ID 24883339

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Properties

grade   purification grade
vapor density   2.9 (vs air)
vapor pressure   24.45 psi ( 55 °C)
  6.83 psi ( 20 °C)
autoignition temp.   1223 °F
expl. lim.   22 %
evapn. residue   ≤0.0005%
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.)

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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

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494453 Dichloromethane, biotech. grade, 99.9%, contains 40-150 ppm amylene as stabilizer

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