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CAS 67-71-0 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 7588915/10/2010

DIMETHYL SULFONE

Dimethyl sulphone

DIMETHYL SULFONE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 67-71-0

CAS 67-71-0PubChem CID 6213

Dimethyl Sulfone

Sulfonyldimethane is a sulfone. — ChEBI

IUPAC name: methylsulfonylmethane

Molecular formula: C2H6O2S
Molecular weight: 94.14 g/mol
Exact mass: 94.00885060 Da
XLogP3: -0.4
Topological polar surface area: 42.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

Methyl sulfoneDimethyl sulphoneSulfonylbismethaneMethane, sulfonylbis-sulfonyldimethaneMETHYL SULFONYL METHANEMethylsulfonyl methane9H4PO4Z4FT

16 more reported names

NSC-63345CHEBI:9349methyl sulfonmethaneMSM2000 PremiumSUL VITAL HOTRefChem:134278DPHEAL SUL 16 HOT200-665-9DIMETHYLSULFONE(methylsulfonyl)methaneMETHANESULFONYLMETHANESulphonylbismethaneDMSO2MSMC2H6O2SNSC 63345

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:9349
ChEMBL:CHEMBL25028
EPA DTXSID:DTXSID4043937
PubMed:23118745
PubMed:22972777
PubMed:22792516
PubMed:22784358
PubMed:22728918
PubMed:22632695
PubMed:22615239
PubMed:22525653
PubMed:22485142
PubMed:22482743
PubMed:22315626
PubMed:22256676

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for DIMETHYL SULFONE

INCI name

DIMETHYL SULFONE

Description

Dimethyl sulphone

Record provenance

Inventory reference: 75889
Imported identity: DIMETHYL SULFONE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DIMETHYL SULFONE

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Key data

CAS

67-71-0

200-665-9

Restriction

—

Function

SOLVENT: Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).
VISCOSITY CONTROLLING: Increasing or decreasing the viscosity (thickness) of cosmetics.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#9001 · DIMETHYL SULFONE

Ingredients with overlapping formulation functions

DIMETHYL METHYLGLUTARATESOLVENT

DIMETHYL OXALATECHELATING, PLASTICISER, SOLVENT

DIMETHYL PHTHALATEFILM FORMING, FRAGRANCE, PLASTICISER, SOLVENT

DIMETHYL SUCCINATEFRAGRANCE, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

DIMETHYLOLCYCLOHEXANESOLVENT

DIOCTYLDODECYL SEBACATESKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

DIOXOLANESOLVENT

DIPENTAERYTHRITYL PENTAISOSTEARATEBINDING, SKIN CONDITIONING, SKIN CONDITIONING - EMOLLIENT, SOLVENT

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How DIMETHYL SULFONE appears in the CosIng inventory

The CosIng inventory lists DIMETHYL SULFONE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

DIMETHYL SULFONE is also tagged with 2 cosmetic functions in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

DIMETHYL SULFONE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, DIMETHYL SULFONE carries the following function designation(s):

CAS 67-71-0 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for DIMETHYL SULFONE

This page reproduces the CosIng inventory entry for DIMETHYL SULFONE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research DIMETHYL SULFONE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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