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34856 Sigma-Aldrich

Dichloromethane

for HPLC, ≥99.8%, contains amylene as stabilizer

Synonym: Methylene chloride, methylene chloride

  • CAS Number 75-09-2

  • Empirical Formula (Hill Notation) CH2Cl2

  • Molecular Weight 84.93

  •  Beilstein/REAXYS Number 1730800

  •  EC Number 200-838-9

  •  MDL number MFCD00000881

  •  PubChem Substance ID 329755065

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Properties

Related Categories Amber Glass Bottles, Analytical Reagents, Analytical/Chromatography, Chromatography Reagents & Solvents, Dichloromethane (Methylene chloride),
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%
autoignition temp.   1223 °F
contains   amylene as stabilizer
expl. lim.   22 %
impurities   free chlorine, in accordance
  ≤0.001% free acid (as HCl)
  ≤0.001% non-volatile matter
  ≤0.02% water (Karl Fischer)
color   APHA: ≤10
transmittance   235 nm, ≥20%
  240 nm, ≥50%
  245 nm, ≥80%
  260 nm, ≥98%
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.)

Description

General description

Dichloromethane has been tested as a solvent medium for dipyridine-chromium(VI) oxide. Solubility was reported to be 12.5g/100ml. Role of the quantity of TiO2 loading on activated carbon support on dichloromethane photodecomposition has been investigated.

Application

Dichloromethane may be used in ultrasonic baths for cleaning and protection of aluminum coating over atactic-PMMA (poly(methyl methacrylate)) for dielectric studies.

Packaging

1, 6×1, 4×2.5, 4, 4×4 L in glass bottle

18 L in Pure-Pac™ 1

200 L in Pure-Pac™ 1

50 L in Pure-Pac™ 2

View returnable container options.

100 mL in glass bottle

200 L in Pure-Pac™ 2

Preparation Note

Product filtered through a 0.2 μm filter

Other Notes

Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

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Legal Information

Pure-Pac is a registered trademark of Sigma-Aldrich Co. LLC

Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
RIDADR 
UN 1593 6.1 / PGIII
WGK Germany 
2
RTECS 
PA8050000

Documents

Certificate of Analysis

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Certificate of Origin

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Dispensette™ S
Protocols & Articles

Articles

Pressure-Temperature Calculator for Solvents

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Peer-Reviewed Papers
15

References

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