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Merck
CN

1.06050

Dichloromethane

for analysis EMSURE® ACS,ISO,Reag. Ph Eur

Synonym(s):

DCM, Methylene chloride, Methylene dichloride, Methylene chloride

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About This Item

Empirical Formula (Hill Notation):
CH2Cl2
CAS Number:
Molecular Weight:
84.93
UNSPSC Code:
12191502
NACRES:
NA.21
EC Index Number:
200-838-9
MDL number:
Beilstein/REAXYS Number:
1730800
Assay:
≥99.8% (GC)
Grade:
ACS reagent
Bp:
39.8-40 °C (lit.)
Vapor pressure:
24.45 psi ( 55 °C), 6.83 psi ( 20 °C)
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grade

ACS reagent

Quality Level

agency

reag. ISO, reag. Ph. Eur.

vapor density

2.9 (vs air)

vapor pressure

24.45 psi ( 55 °C), 6.83 psi ( 20 °C)

product line

EMSURE®

assay

≥99.8% (GC)

form

liquid

autoignition temp.

1223 °F, 605 °C (DIN 51794)

potency

1600 mg/kg LD50, oral (Rat), >2000 mg/kg LD50, skin (Rat)

contains

~50 ppm 2-Methyl-2-butene as stabilizer

expl. lim.

22 %

impurities

≤0.00002% Free chlorine (as Cl), ≤0.0001% Chloride (Cl), ≤0.0002 meq/g Alkalinity, ≤0.0002 meq/g Titrable acid, ≤0.005% Carbon tetrachloride (GC), ≤0.005% Chloroform (GC), ≤0.01% Water, ≤0.02% Ethanol (GC), ≤0.1% Methanol (GC)

evapn. residue

≤0.001%

color

clearAPHA: ≤10

refractive index

n20/D 1.424 (lit.)

pH

7 (20 °C)

bp

39.8-40 °C (lit.)

mp

-95 °C, −95 °C (lit.)

solubility

20 g/L

density

1.325 g/mL at 25 °C (lit.)

SMILES string

ClCCl

cation traces

Al: ≤0.00005%, B: ≤0.000002%, Ba: ≤0.00001%, Ca: ≤0.00005%, Cd: ≤0.000005%, Co: ≤0.000002%, Cr: ≤0.000002%, Cu: ≤0.000002%, Fe: ≤0.00001%, Mg: ≤0.00001%, Mn: ≤0.000002%, Mo: ≤0.000002%, Ni: ≤0.000002%, Pb: ≤0.00001%, Sn: ≤0.00001%, Zn: ≤0.00001%

storage temp.

2-30°C

InChI

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

InChI key

YMWUJEATGCHHMB-UHFFFAOYSA-N

General description

EMSURE grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE provides worldwide best and most extensive product specifications. We declare our EMSURE range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Analysis Note

Purity (GC): ≥ 99.8 %
Identity (IR): conforms
Appearance: clear
Color: ≤ 10 Hazen
Titrable acid: ≤ 0.0002 meq/g
Alkalinity: ≤ 0.0002 meq/g
Density (d 20 °C/ 4 °C): 1.324 - 1.326
Boiling point: 39 - 42 °C
Free chlorine (as Cl): ≤ 0.00002 %
Chloride (Cl): ≤ 0.0001 %
Matter discolored by H₂SO₄: ≤ 100 Hazen
Chloroform (GC): ≤ 0.005 %
Ethanol (GC): ≤ 0.02 %
Methanol (GC): ≤ 0.1 %
Carbon tetrachloride (GC): ≤ 0.005 %
Fluorescence (as quinine at 365 nm): ≤ 0.002 ppm
Al (Aluminium): ≤ 0.00005 %
B (Boron): ≤ 0.000002 %
Ba (Barium): ≤ 0.00001 %
Ca (Calcium): ≤ 0.00005 %
Cd (Cadmium): ≤ 0.000005 %
Co (Cobalt): ≤ 0.000002 %
Cr (Chromium): ≤ 0.000002 %
Cu (Copper): ≤ 0.000002 %
Fe (Iron): ≤ 0.00001 %
Mg (Magnesium): ≤ 0.00001 %
Mn (Manganese): ≤ 0.000002 %
Mo (Molybdenum): ≤ 0.000002 %
Ni (Nickel): ≤ 0.000002 %
Pb (Lead): ≤ 0.00001 %
Sn (Tin): ≤ 0.00001 %
Zn (Zinc): ≤ 0.00001 %
Evaporation residue: ≤ 0.001 %
Water: ≤ 0.01 %
Stabilized with about 50 ppm 2-Methyl-2-butene.

Other Notes

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Legal Information

EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany


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pictograms

Health hazardExclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Central nervous system

Storage Class

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

wgk

WGK 2

Regulatory Information

危险化学品

This item has



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Protocols

In the present study we demonstrate compliance of silica gel 60 F254 HPTLC plates with USP requirements, and how HPTLC plates are suitable for the Sildenafil citrate-Limit of Imidazole test.





Global Trade Item Number

SKUGTIN
106050100004022536072296
106050400004022536971056
106050500504054839606663
106050602504022536072340
106050919004022536072364
106050250004022536072319
106050601004022536072333
106050619004022536759456