1.06051

Dichloromethane

dried (max. 0.004% H₂O) SeccoSolv^™

• Synonym(s): DCM, Methylene chloride, Methylene dichloride, Methylene chloride
• Empirical Formula (Hill Notation): CH₂Cl₂
• CAS Number: 75-09-2
• Molecular Weight: 84.93
• Beilstein/REAXYS Number: 1730800
• MDL number: MFCD00000881
• UNSPSC Code: 12191502
• EC Index Number: 200-838-9

Properties

• vapor density: 2.9 (vs air)
• vapor pressure: 24.45 psi ( 55 °C); 6.83 psi ( 20 °C)
• assay: ≥99.9% (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: ≤0.0002 meq/g Alkalinity; ≤0.0005 meq/g Acidity; ≤0.004% Water; ≤0.01% Carbon tetrachloride (GC); ≤0.01% Chloroform (GC)
• evapn. residue: ≤10 mg/L
• color: APHA: ≤10
• refractive index: n20/D 1.424 (lit.)
• bp: 39.8-40 °C (lit.)
• mp: -95 °C; −95 °C (lit.)
• density: 1.325 g/mL at 25 °C (lit.)
• SMILES string: ClCCl
• InChI: 1S/CH2Cl2/c2-1-3/h1H2
• InChI key: YMWUJEATGCHHMB-UHFFFAOYSA-N

Description

General description

SeccoSolv ready-to-use dried solvents fulfill even the most stringent requirements. They are produced using specially selected distillation methods that ensure consistently high dryness and batch-to-batch consistency. To protect the quality of these products even better from potential contaminants, our new SeccoSept septum seal cap provides multiple layers of protection to keep solvents in flawless condition before, during, and after removal.

Analysis Note

Evaporation Number: 1.9

Purity (GC): ≥ 99.9 %
Identity (IR): conforms
Color: ≤ 10 Hazen
Acidity: ≤ 0.0005 meq/g
Alkalinity: ≤ 0.0002 meq/g
Chloroform (GC): ≤ 0.01 %
Carbon tetrachloride (GC): ≤ 0.01 %
Evaporation residue: ≤ 10 mg/l
Water: ≤ 0.004 %
The product is stabilized with about 50 ppm 2-methyl-2-butene

Legal Information

SECCOSOLV is a trademark of Merck KGaA, Darmstadt, Germany