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Merck
CN

L090000

二氯甲烷

别名:

亚甲基氯

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经验公式(希尔记法):
CH2Cl2
化学文摘社编号:
分子量:
84.93
UNSPSC Code:
12352101
NACRES:
NA.21
PubChem Substance ID:
EC Number:
200-838-9
Beilstein/REAXYS Number:
1730800
MDL number:
Technique(s):
DNA synthesis: suitable
Bp:
39.8-40 °C (lit.)
Vapor pressure:
24.45 psi ( 55 °C)
6.83 psi ( 20 °C)
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InChI key

YMWUJEATGCHHMB-UHFFFAOYSA-N

InChI

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

SMILES string

ClCCl

vapor density

2.9 (vs air)

vapor pressure

24.45 psi ( 55 °C)
6.83 psi ( 20 °C)

type

for DNA synthesis

product line

Proligo Reagents

form

liquid

autoignition temp.

1223 °F

contains

amylene as stabilizer

expl. lim.

22 %

storage condition

dry at room temperature

technique(s)

DNA synthesis: suitable

impurities

≤50 ppm water content (Karl Fischer)

color

clear

refractive index

n/D 1.421-1.425
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

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Application

Dichloromethane may be used as a solvent for the preparation of stock solutions of carotenoids. It may be employed as a solvent in the synthesis of polylactide-based (PLA) thin films. IT is also suitable as a solvent for the oxidation of primary and secondary alcohols using dipyridine-chromium(VI) oxide.

General description

In the solid-phase synthesis of oligonucleotides, liquid reagents are used in each step of the synthesis cycle. Overall synthesis performance, and therefore total product yield and purity of the crude oligonucleotide, is highly dependent on the chemical purity of the monomers and the supporting liquid reagents and other solvents like ethylacetate, dichloromethane, and dimethylformadine .Dichloromethane is an ordinary organic solvent frequently utilized in peptide synthesis. Under normal circumstances, DCM maintains highly stable and will not cause significant side reactions in peptide synthesis. It is a chlorinated organic solvent that is susceptible to degradation with time. This can be suppressed by adding amylene as a stabilizer.Dichloromethane has been tested as a solvent medium for the dipyridine-chromium(VI) oxide. Solubility was reported to be 12.5g/100ml. The role of the quantity of TiO2 loading on activated carbon support employed in the photodecomposition of dichloromethane has been investigated.

pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Central nervous system

存储类别

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

法规信息

危险化学品
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分析证书(COA)

Lot/Batch Number

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Khalef Lefsih et al.
Phytochemistry, 154, 47-55 (2018-07-15)
This work aims to fill the gap in the present knowledge about the structure of pectin from Opuntia ficus-indica. The water-soluble pectin (WSP) fraction, extracted with the Microwave Assisted Extraction (MAE), was further deproteinated (dWSP) and analyzed through several biophysical

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