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CAS 4070-80-8 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 8225515/10/2010

SODIUM STEARYL FUMARATE

Sodium octadecyl fumarate

SODIUM STEARYL FUMARATE 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 4070-80-8

CAS 4070-80-8PubChem CID 23665634

Sodium Stearyl Fumarate

IUPAC name: sodium (E)-4-octadecoxy-4-oxobut-2-enoate

Molecular formula: C22H39NaO4
Molecular weight: 390.5 g/mol
Exact mass: 390.27460400 Da
Topological polar surface area: 66.4 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

Sodium monostearyl fumarateSODIUM OCTADECYL FUMARATE7CV7WJK4UIRefChem:184103223-781-1Sodium monooctadecyl fumarateSodium stearyl fumarate [NF]stearyl fumarate sodium

16 more reported names

sodium;(E)-4-octadecoxy-4-oxobut-2-enoatesodium (E)-4-(octadecyloxy)-4-oxobut-2-enoatePruvSodium stearyl fumarate (NF)C22H39NaO4EINECS 223-781-1UNII-7CV7WJK4UISodium stearyl fumarate; Sodium octadecyl (E)-butenedioateSodium monooctadecyl 2-butenedioate, (E)-Fumaric Acid Stearyl Ester Sodium SaltEthyl [(diethoxyphosphorMonosodium stearyl fumarateSodium stearyl fumarate CRS2-Butenedioic acid (E)-, monoactadecyl ester, sodium saltSodium octadecyl (E)-butenedioate3-trimethoxysilyl-propyl-methacrylate

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL2107515
EPA DTXSID:DTXSID901021880

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 SODIUM STEARYL FUMARATE

INCI name

SODIUM STEARYL FUMARATE

Description

Sodium octadecyl fumarate

Record provenance

Inventory reference: 82255
Imported identity: SODIUM STEARYL FUMARATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SODIUM STEARYL FUMARATE

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Key data

CAS

4070-80-8

223-781-1

Restriction

—

Function

BULKING: Non-reactive (chemically inert), solid ingredients that dilute other solids and/or increase the volume of cosmetic products.

Official EU ingredient-name evidence

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

#27022 · SODIUM STEARYL FUMARATE

Ingredients with overlapping formulation functions

SODIUM MAGNESIUM SILICATEBINDING, BULKING, VISCOSITY CONTROLLING

SODIUM POTASSIUM ALUMINUM SILICATEBULKING

SODIUM SESQUICARBONATEBUFFERING, BULKING, CLEANSING

SODIUM SILICOALUMINATEABRASIVE, BULKING, VISCOSITY CONTROLLING

SODIUM SULFATEBULKING, VISCOSITY CONTROLLING

SODIUM/ALUMINUM HYDROXIDE/OXALATE/SULFATEABRASIVE, ABSORBENT, BULKING, DEODORANT, HUMECTANT, OPACIFYING

SODIUM/ALUMINUM/IRON HYDROXIDE/OXALATE/SULFATEABRASIVE, ABSORBENT, BULKING, OPACIFYING

SOLANUM TUBEROSUM STARCHABSORBENT, BINDING, BULKING, VISCOSITY CONTROLLING

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 SODIUM STEARYL FUMARATE appears in the CosIng inventory

The CosIng inventory lists SODIUM STEARYL FUMARATE 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.

SODIUM STEARYL FUMARATE is also tagged with 1 cosmetic function 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

SODIUM STEARYL FUMARATE 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, SODIUM STEARYL FUMARATE carries the following function designation(s):

BULKING

CAS 4070-80-8 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 SODIUM STEARYL FUMARATE

This page reproduces the CosIng inventory entry for SODIUM STEARYL FUMARATE 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 SODIUM STEARYL FUMARATE 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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