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InventoryRef 9689115/04/2019

DISODIUM ITACONATE

Butanedioic acid, 2-methylene-, sodium salt (1:2)

DISODIUM ITACONATE 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 5363-69-9
CAS 5363-69-9PubChem CID 79326

Butanedioic acid, 2-methylene-, sodium salt (1:2)

IUPAC name
disodium;2-methylidenebutanedioate
Molecular formula
C5H4Na2O4
Molecular weight
174.06 g/mol
Exact mass
173.99049717 Da
Topological polar surface area
80.3 Ų
Hydrogen-bond donors
0
Hydrogen-bond acceptors
4
Covalent units
3
Defined stereocentres
0

Also known as

Disodium methylenesuccinateButanedioic acid, methylene-, disodium saltEINECS 226-351-1Methylenebutanedioic acid, disodium saltRefChem:122048226-351-1Sodium itaconateSodium 2-methylenesuccinate
4 more reported names
disodium 2-methylidenebutanedioatedisodium itaconateSodium itaconate;DB-210178
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 DISODIUM ITACONATE

INCI name

DISODIUM ITACONATE

Description

Butanedioic acid, 2-methylene-, sodium salt (1:2)

Record provenance

Inventory reference
96891
Imported identity
DISODIUM ITACONATE
Source update
15/04/2019
European Commission CosIng source notes
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Key data

CAS
5363-69-9
EC
226-351-1
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.

#9370 · DISODIUM ITACONATE

Ingredients with overlapping formulation functions

DIOLEYL PHOSPHATEBUFFERING, EMULSION STABILISING, HAIR CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING
DIPOTASSIUM PHOSPHATEANTICORROSIVE, BUFFERING
DIPROPYLENETRIAMINEBUFFERING
DISODIUM FUMARATEBUFFERING
DISODIUM PHOSPHATEANTICORROSIVE, BUFFERING, FRAGRANCE
DISODIUM PYROPHOSPHATEANTICORROSIVE, BUFFERING, CHELATING
DISODIUM TARTRATEBUFFERING
DMEMBUFFERING

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 DISODIUM ITACONATE appears in the CosIng inventory

The CosIng inventory lists DISODIUM ITACONATE 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.

DISODIUM ITACONATE 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

DISODIUM ITACONATE 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, DISODIUM ITACONATE carries the following function designation(s):

CAS 5363-69-9 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 DISODIUM ITACONATE

This page reproduces the CosIng inventory entry for DISODIUM ITACONATE 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 DISODIUM ITACONATE 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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