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494453

Sigma-Aldrich

Dichloromethane

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

Synonym(s):

methylene chloride, Methylene chloride

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About This Item

Empirical Formula (Hill Notation):
CH2Cl2
CAS Number:
Molecular Weight:
84.93
Beilstein:
1730800
EC Number:
MDL number:
UNSPSC Code:
12352101
PubChem Substance ID:
NACRES:
NA.04

grade

biotech. grade

Quality Level

vapor density

2.9 (vs air)

vapor pressure

24.45 psi ( 55 °C)
6.83 psi ( 20 °C)

Assay

99.9%

form

liquid

autoignition temp.

1223 °F

contains

40-150 ppm amylene as stabilizer

expl. lim.

22 %

impurities

<0.002% water

evapn. residue

<0.0003%

refractive index

n20/D 1.424 (lit.)

bp

39.8-40 °C (lit.)

mp

−95 °C (lit.)

density

1.325 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 235 nm Amax: 1.0
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

SMILES string

ClCCl

InChI

1S/CH2Cl2/c2-1-3/h1H2

InChI key

YMWUJEATGCHHMB-UHFFFAOYSA-N

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Preparation Note

Product filtered through a 0.2 μm filter

Pictograms

Health hazardExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Carc. 2 - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Central nervous system

Storage Class Code

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

WGK

WGK 2

Flash Point(F)

does not flash

Flash Point(C)

does not flash


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Jane A Mullaney et al.
Journal of agricultural and food chemistry, 61(12), 3039-3046 (2013-03-07)
Glucosinolates from the genus Brassica can be converted into bioactive compounds known to induce phase II enzymes, which may decrease the risk of cancers. Conversion via hydrolysis is usually by the brassica enzyme myrosinase, which can be inactivated by cooking
Dichloromethane photodegradation using titanium catalysts.
Tanguay JF, et al.
Tanguay JF, et al.
J. Catal., 117(2), 335-347 (1989)
Dichloromethane Detection Based on Near-Infrared Absorptive Sensing.
Han JH and Yoon SM
IEEE Journal of Selected Topics in Quantum Electronics, 18(5), 1547-1552 (2012)
Vitamin B12-mediated hydrodechlorination of dichloromethane by bimetallic Cu/Al particles.
Huang CC, et al.
Chemical Engineering Journal, 273, 413-420 (2015)
Matthew J Walters et al.
Nature protocols, 2(7), 1825-1830 (2007-07-21)
A procedure for the preparation of optically pure alpha-keto-gamma-hydroxy carboxylic acids through stereospecific aldol addition catalyzed by pyruvate aldolases from the Entner-Doudoroff and the DeLey-Doudoroff glycolytic pathways is described. This highly versatile fragment serves as a precursor for a variety

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