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InventoryRef 7948315/10/2010

SODIUM FUMARATE

Sodium-hydrogen fumarate

SODIUM 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 5873-57-4
CAS 5873-57-4CAS 7704-73-6PubChem CID 6076814

Sodium Fumarate

Monosodium fumarate is an organic sodium salt resulting from the replacement of the proton from one of the carboxy groups of fumaric acid by a sodium ion. It has a role as a food acidity regulator. It contains a fumarate(1-). — ChEBI

IUPAC name
sodium (E)-4-hydroxy-4-oxobut-2-enoate
Molecular formula
C4H3NaO4
Molecular weight
138.05 g/mol
Exact mass
137.99290285 Da
Topological polar surface area
77.4 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
4
Covalent units
2
Defined stereocentres
0

Also known as

7704-73-6mafusolFumaric acid, sodium salt2-Butenedioic acid (E)-, sodium saltE365RefChem:183892227-535-4231-725-2
16 more reported names
Monosodium fumarateSodium hydrogen fumarateSodium (E)-3-carboxyacrylateFumaric Acid Monosodium SaltCCRIS 7315EINECS 227-535-4sodium (2E)-3-carboxyprop-2-enoate2-Butenedioic acid (2Z)-, sodium saltUNII-F11949924Isodium;(E)-4-hydroxy-4-oxobut-2-enoateC4H3NaO4Monosodium fumarate (JAN)Sodium (Z)-3-carboxyacrylate3105-55-3MONOSODIUM FUMARATE [JAN]Maleinian sodu
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

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 FUMARATE

INCI name

SODIUM FUMARATE

Description

Sodium-hydrogen fumarate

Record provenance

Inventory reference
79483
Imported identity
SODIUM FUMARATE
Source update
15/10/2010
European Commission CosIng source notes
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Key data

CAS
5873-57-4 / 7704-73-6
EC
227-535-4 / 231-725-2
Restriction
—
Function
BUFFERING
Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.

Official EU ingredient-name evidence

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

#26621 · SODIUM FUMARATE

Ingredients with overlapping formulation functions

SODIUM CALCIUM ZINC PHOSPHATEABRASIVE, BUFFERING, NAIL CONDITIONING, SKIN CONDITIONING, UV ABSORBER
SODIUM CARBONATEBUFFERING, BULKING
SODIUM CITRATEBUFFERING, CHELATING, FRAGRANCE
SODIUM ESYLATEBUFFERING
SODIUM GLYCOLATEBUFFERING
SODIUM HUMATEABSORBENT, ANTIMICROBIAL, BUFFERING, CHELATING
SODIUM HYDROXIDEBUFFERING, DENATURANT
SODIUM LACTATEBUFFERING, HUMECTANT, KERATOLYTIC

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 chemicalsPubChem PUG RESTEU Safety Gate cosmetic product alertsECHA CHEMUS EPA CompToxCosmetic Ingredient Review safety assessmentsFDA Global Substance Registration SystemILO/WHO International Chemical Safety CardsJapan NITE-CHRIPNIOSH Pocket Guide to Chemical HazardsOECD eChemPortal

How SODIUM FUMARATE appears in the CosIng inventory

The CosIng inventory lists SODIUM 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 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 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 FUMARATE carries the following function designation(s):

CAS 5873-57-4 / 7704-73-6 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 FUMARATE

This page reproduces the CosIng inventory entry for SODIUM 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 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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