Are Dichloromethane, Methylene Chloride and DCM the same material?

Yes. Dichloromethane and methylene chloride are names for the same compound, CAS 75-09-2. They are not interchangeable with chloroform, 1,2-dichloroethane or other chlorinated solvents. The purchase order should state the CAS number, solvent grade and any stabilizer requirement.

Which specifications should be agreed for industrial Dichloromethane?

Specify dichloromethane assay and test method, water, acidity, color, nonvolatile residue, evaporation residue and relevant chlorinated or methyl chloride impurities. If the solvent is used in extraction, coating or pharmaceutical processing, agree the applicable residue and trace-metal limits before reviewing the batch COA.

Dichloromethane (DCM) CAS 75-09-2

Dichloromethane, CAS 75-09-2, for controlled solvent, extraction and process applications. Before requesting a quotation, confirm assay, water, acidity or residue limits, stabilizer if applicable, packaging and destination controls, and request current TDS, COA and SDS.

CAS: 75-09-2
Synonyms: Dichloromethane; Methylene chloride; DCM
Einecs: 200-838-9
Molecular Formula: CH₂Cl₂
Grade: Confirm on the offered specification and lot COA: assay, water, acidity or residue limits, stabilizer if applicable, packaging and destination controls.
Package: Compatible sealed packaging; confirm configuration for quantity, transport mode and destination

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Product Description

Product name: Dichloromethane (DCM)

Recognized names: Dichloromethane; Methylene chloride; DCM

Molar mass: 84.93 g/mol

CAS Number: 75-09-2

EC number: 200-838-9

Melting point: -97 °C

Boiling point: 39.75 °C at 760 mm Hg

Water solubility: slightly soluble; confirm the offered-grade specification for process design

Density: 1.325 g/cm³ at 25 °C

Appearance: colorless and transparent volatile liquid

FAQ - Technical & Supply Chain

Q:
Are Dichloromethane, Methylene Chloride and DCM the same material?

A: Yes. Dichloromethane and methylene chloride are names for the same compound, CAS 75-09-2. They are not interchangeable with chloroform, 1,2-dichloroethane or other chlorinated solvents. The purchase order should state the CAS number, solvent grade and any stabilizer requirement.
Q:
Which specifications should be agreed for industrial Dichloromethane?

A: Specify dichloromethane assay and test method, water, acidity, color, nonvolatile residue, evaporation residue and relevant chlorinated or methyl chloride impurities. If the solvent is used in extraction, coating or pharmaceutical processing, agree the applicable residue and trace-metal limits before reviewing the batch COA.

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