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CAS 7529-22-8 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 3531415/10/2010

METHYL MORPHOLINE OXIDE

4-Methylmorpholine 4-oxide monohydrate

METHYL MORPHOLINE OXIDE 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 7529-22-8

CAS 7529-22-8PubChem CID 82029

Methyl morpholine oxide

N-methylmorpholine N-oxide is a morpholine N-oxide resulting from the oxidation of the amino group of N-methylmorpholine. — ChEBI

IUPAC name: 4-methyl-4-oxidomorpholin-4-ium

Molecular formula: C5H11NO2
Molecular weight: 117.15 g/mol
Exact mass: 117.078978594 Da
XLogP3: -0.7
Topological polar surface area: 27.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 1
Defined stereocentres: 0

Also known as

4-Methylmorpholine 4-oxideN-Methylmorpholine oxideN-Methylmorpholine N-oxideMorpholine, 4-methyl-, 4-oxide4-Methylmorpholine-4-oxide4-Methylmorpholine Oxide4-methylmorpholine-N-oxideN-Methylmorpholine 4-oxide

16 more reported names

NSC 73198NSC 82153EINECS 231-391-8NSC-73198NSC-821534-methylmorpholine 4-oxide, monohydrateCHEBI:52093EC 231-391-8N-METHYLMORPHOLINE N-OXIDE [MI]NMethylmorpholine oxide4Methylmorpholine4oxideNMethylmorpholine Noxide4Methylmorpholine NoxideRefChem:817860Morpholine, 4methyl, 4oxideMETHYL MORPHOLINE OXIDE [INCI]

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:52093
ChEMBL:CHEMBL3184330
EPA DTXSID:DTXSID3029287
PubMed:22944426
PubMed:22227142
PubMed:22052078
PubMed:21999523
PubMed:21924947
PubMed:21696171
PubMed:21687609
PubMed:21684155
PubMed:21650181
PubMed:21277776
PubMed:21247759
PubMed:20692142

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 METHYL MORPHOLINE OXIDE

INCI name

METHYL MORPHOLINE OXIDE

Description

4-Methylmorpholine 4-oxide monohydrate

Record provenance

Inventory reference: 35314
Imported identity: METHYL MORPHOLINE OXIDE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for METHYL MORPHOLINE OXIDE

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Key data

CAS

7529-22-8

231-391-8

Restriction

—

Function

CLEANSING: Helping to keep the body surface clean.
SURFACTANT - CLEANSING: Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).
SURFACTANT - FOAM BOOSTING: Increasing foaming capacity and/or stabilizing foams in general.

Official EU ingredient-name evidence

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

#16549 · METHYL MORPHOLINE OXIDE

Ingredients with overlapping formulation functions

LINOLEAMIDE MEAANTISTATIC, HAIR CONDITIONING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTROLLING

LINOLEAMIDE MIPAANTISTATIC, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, VISCOSITY CONTRO…

LYSINE LAUROYL GLUTAMATECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

MALTODEXTRIN LAURATESURFACTANT - EMULSIFYING; SURFACTANT - FOAM BOOSTING; SURFACTANT - CLEANSING; SURFACTANT - DISPERSI…

MINKAMIDE DEASURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

MINKAMIDOPROPYL BETAINECLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING

MINKAMIDOPROPYLAMINE OXIDECLEANSING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - FOAM BOOSTING, SURFACTANT - HYDR…

MIPA-C12-14 SEC-ALKETH-3 ACETATE (FORMERLY MIPA-C12-14 SEC-PARETH-3 ACETATE)SURFACTANT - EMULSIFYING; SURFACTANT - FOAM BOOSTING; SURFACTANT - HYDROTROPE; SURFACTANT - CLEANSI…

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 METHYL MORPHOLINE OXIDE appears in the CosIng inventory

The CosIng inventory lists METHYL MORPHOLINE OXIDE 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.

METHYL MORPHOLINE OXIDE is also tagged with 3 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

METHYL MORPHOLINE OXIDE 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, METHYL MORPHOLINE OXIDE carries the following function designation(s):

CAS 7529-22-8 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 METHYL MORPHOLINE OXIDE

This page reproduces the CosIng inventory entry for METHYL MORPHOLINE OXIDE 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 METHYL MORPHOLINE OXIDE 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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