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32222 Sigma-Aldrich

Dichloromethane

puriss. p.a., ACS reagent, reag. ISO, ≥99.9% (GC)

DOWNLOAD MSDS (PDF)

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 24859304

Dichloromethane puriss. p.a., ACS reagent, reag. ISO, ≥99.9% (GC)
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Properties

Related Categories ACS Grade, Amber Glass Bottles, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography,
grade   ACS reagent, reag. ISO
vapor density   2.9 (vs air)
vapor pressure   24.45 psi ( 55 °C)
  6.83 psi ( 20 °C)
grade   puriss. p.a.
assay   ≥99.9% (GC)
autoignition temp.   1223 °F
contains   ~25 mg/L amylene as stabilizer
expl. lim.   22 %
impurities   ≤0.00002% free chlorine (Cl)
  ≤0.0005% formaldehyde
  ≤0.001% free acid (as HCl)
  ≤0.001% non-volatile matter
  ≤0.01% chloroform (GC)
  ≤0.01% tetrachloromethane (GC)
  ≤0.01% water (Karl Fischer)
  ≤0.05% ethanol (GC)
refractive index   n20/D 1.4235-1.4245
  n20/D 1.424(lit.)
bp   39.8-40 °C mmHg(lit.)
mp   −97 °C(lit.)
density   1.325 g/mL at 25 °C(lit.)
anion traces   chloride (Cl-): ≤0.5 mg/kg
cation traces   Al: ≤0.5 mg/kg
  B: ≤0.02 mg/kg
  Ba: ≤0.1 mg/kg
  Bi: ≤0.1 mg/kg
  Ca: ≤0.5 mg/kg
  Cd: ≤0.05 mg/kg
  Co: ≤0.02 mg/kg
  Cr: ≤0.02 mg/kg
  Cu: ≤0.02 mg/kg
  Fe: ≤0.1 mg/kg
  K: ≤0.5 mg/kg
  Li: ≤0.1 mg/kg
  Mg: ≤0.1 mg/kg
  Mn: ≤0.02 mg/kg
  Mo: ≤0.1 mg/kg
  Na: ≤0.5 mg/kg
  Ni: ≤0.02 mg/kg
  Pb: ≤0.1 mg/kg
  Sn: ≤0.1 mg/kg
  Sr: ≤0.1 mg/kg
  Zn: ≤0.1 mg/kg
suitability   passes test for reaction against H2SO4
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