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Merck
CN

270997

Dichloromethane

anhydrous, ≥99.8%, contains 40-150 ppm amylene as stabilizer

Synonym(s):

DCM, Methylene chloride

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About This Item

Empirical Formula (Hill Notation):
CH2Cl2
CAS Number:
75-09-2
Molecular Weight:
84.93
UNSPSC Code:
12352101
NACRES:
NA.21
PubChem Substance ID:
57648216
EC Number:
200-838-9
Beilstein/REAXYS Number:
1730800
MDL number:
MFCD00000881
Grade:
anhydrous
Assay:
≥99.8%
Technique(s):
gas chromatography (GC): suitable
Bp:
39.8-40 °C (lit.)
Vapor pressure:
24.45 psi ( 55 °C)
6.83 psi ( 20 °C)
6.86 psi ( 20 °C)

Key Documents

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Product Name

Dichloromethane, anhydrous, ≥99.8%, contains 40-150 ppm amylene as stabilizer

InChI key

YMWUJEATGCHHMB-UHFFFAOYSA-N

InChI

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

SMILES string

ClCCl

grade

anhydrous

agency

suitable for EPA 1613

vapor density

2.9 (vs air)

vapor pressure

24.45 psi ( 55 °C)
6.83 psi ( 20 °C)
6.86 psi ( 20 °C)

assay

≥99.8%

form

liquid

autoignition temp.

1223 °F

contains

40-150 ppm amylene as stabilizer

expl. lim.

22 %

technique(s)

gas chromatography (GC): suitable

impurities

≤0.001% water
≤0.005% water (100 mL pkg)

evapn. residue

<0.0005%

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.)

Quality Level

200

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Application

Dichloromethane has been used for the quantification of herbivore (gypsy moth) induced blueberry volatiles by gas chromatography (GC).
Dichloromethane may be used as a solvent for the oxidation of primary and secondary alcohols using dipyridine-chromium(VI) oxide. Lithium perchlorate suspended in DCM is an effective medium for Mukaiyama aldol reactions of aldehydes with silyl ketene acetal. DCM may also be used as solvent for the synthesis of 2-bromo-6-lithiopyridine from 2,6-dibromopyridine via lithium-bromine exchange reaction.

General description

Dichloromethane has been tested as a solvent medium for the dipyridine-chromium(VI) oxide. Solubility was reported to be 12.5g/100ml. Role of quantity of TiO2 loading on activated carbon support employed in the photodecomposition of dichloromethane has been investigated.
Dichloromethane is a chlorinated organic solvent that is susceptible to degradation with time. This can be suppressed by adding amylene as a stabilizer.

Other Notes

2024 CiteAb Award Winner for Supplier Succeeding in Parkinson′s Research

Packaging

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pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Central nervous system

wgk

WGK 2

ppe

Eyeshields, Faceshields, Gloves

Storage Class

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBT4614
SHBT2651
SHBT2207
SHBT2285
SHBT0403

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Efficient Preparation of 2-Bromo-6-lithiopyridine via Lithium? Bromine Exchange in Dichloromethane
Peterson MA & Mitchell JR
The Journal of Organic Chemistry, 62(23), 8237-8239 (1997)
Carbon-carbon bond formation catalyzed by lithium perchlorate in dichloromethane
Reetz MT & Fox DN
Tetrahedron Letters, 34(7), 1119-1122 (1993)
Cesar R Rodriguez-Saona
Journal of visualized experiments : JoVE, (58)(58), doi:10-doi:10 (2012-01-05)
Herbivore-induced plant volatiles (HIPVs) are commonly emitted from plants after herbivore attack. These HIPVs are mainly regulated by the defensive plant hormone jasmonic acid (JA) and its volatile derivative methyl jasmonate (MeJA). Over the past 3 decades researchers have documented
Effect of activated carbon content in TiO2-loaded activated carbon on photodegradation behaviors of dichloromethane.
Torimoto T, et al.
Journal of Photochemistry and Photobiology A: Chemistry, 103(1), 153-157 (1997)
Dipyridine-chromium (VI) oxide oxidation of alcohols in dichloromethane.
Collins JC, et al.
Tetrahedron Letters, 9(30), 3363-3366 (1968)
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Solvent Miscibility Table

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溶剂混溶性表

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