Dichloromethane CAS 75-09-2

Dichloromethane (CAS 75-09-2, formula CH2Cl2) is an industrial chemical with a molecular weight of about 84.93 g/mol. Its harmonised GHS classification carries the signal word Warning.

Identifiers

Name

Dichloromethane

CAS number

75-09-2

CLP index number

602-004-00-3

EC number

200-838-9

Molecular formula

CH2Cl2

Molecular weight

84.93 g/mol

Also known as

Methylene chloride, DCM, MDC, Bimethylene chloride, Methylene bichloride, Narkotil

GHS classification

Harmonised classification under the CLP Regulation (Annex VI), index number 602-004-00-3. Signal word: Warning.

Pictograms

• GHS08 Health hazard

Suppliers may classify additional hazards from their own data, so a supplier's Safety Data Sheet can list more than the harmonised entry.

Source: Regulation (EC) No 1272/2008, Annex VI, retrieved 2026-10-10. Confirm against the current consolidated text and your supplier's SDS before relying on it.

Creating a Safety Data Sheet for a product containing Dichloromethane

If Dichloromethane is an ingredient, record its CAS number and concentration in Section 3 and use it in the mixture classification that drives Section 2 and the label.

How to write a Safety Data Sheet · GHS mixture classification

Frequently asked questions

What is the CAS number of Dichloromethane?

The CAS Registry Number of Dichloromethane is 75-09-2.

What is the chemical formula of Dichloromethane?

Dichloromethane has the formula CH2Cl2 and a molecular weight of about 84.93 g/mol.

What are the GHS hazards of Dichloromethane?

Dichloromethane carries the signal word Warning. Its harmonised hazard statements are H351: Suspected of causing cancer..

Which GHS pictograms apply to Dichloromethane?

GHS08 (Health hazard).

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Information is provided for general reference and is not a substitute for a supplier's Safety Data Sheet or professional advice. See our disclaimer.