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66746 Sigma-Aldrich

Dichloromethane

for HPLC, ≥99.8% (GC)

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

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Properties

grade   for HPLC
vapor density   2.9 (vs air)
vapor pressure   24.45 psi ( 55 °C)
  6.83 psi ( 20 °C)
InChI Key   YMWUJEATGCHHMB-UHFFFAOYSA-N
assay   ≥99.8% (GC)
autoignition temp.   1223 °F
shelf life   limited shelf life, expiry date on the label
contains   ~0.0025% amylene as stabilizer
expl. lim.   22 %
impurities   ≤0.001% free acid (as HCl)
  ≤0.02% water
evapn. residue   ≤0.001%
transmittance   232 nm, ≥10%
  240 nm, ≥50%
  245 nm, ≥80%
  260 nm, ≤98%
refractive index   n20/D 1.424(lit.)
  n20/D 1.424
bp   39.8-40 °C(lit.)
mp   −97 °C(lit.)
density   1.325 g/mL at 25 °C(lit.)
solvent strength ε (Al2O3)   0.42 (Lit.)
λ   1 cm path, H2O reference
UV absorption   λ: 232 nm Amax: 1.00
  λ: 240 nm Amax: 0.31
  λ: 245 nm Amax: 0.10
  λ: 260 nm Amax: 0.01

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

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Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
UN 1593 6.1 / PGIII
WGK Germany 
2
RTECS 
PA8050000
Protocols & Articles
Peer-Reviewed Papers
15

References

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