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CAS 18191-40-7 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 8998109/07/2013

DISODIUM CARBOXYETHYL SILICONATE

Propanoic acid, 3-(trihydroxysilyl)-, sodium salt (1:2)

DISODIUM CARBOXYETHYL SILICONATE 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 18191-40-7

CAS 18191-40-7PubChem CID 2757371

Disodium carboxyethyl siliconate

IUPAC name: disodium;3-[dihydroxy(oxido)silyl]propanoate

Molecular formula: C3H6Na2O5Si
Molecular weight: 196.14 g/mol
Exact mass: 195.97798839 Da
Topological polar surface area: 104.0 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 5
Covalent units: 3
Defined stereocentres: 0

Also known as

carboxyethylsilanetriol sodium saltSodium carboxyethylsilanetriolUNII-4U4C79679G4U4C79679GDisodium carboxyethyl siliconate [INCI]Propanoic acid, 3-(trihydroxysilyl)-, disodium saltPropionic acid, 3-(trihydroxysilyl)-, disodium saltPropanoic acid, 3-(trihydroxysilyl)-, sodium salt (1:2)

12 more reported names

CARBOXYETHYL SILICONATERefChem:135018disodium 3-[dihydroxy(oxido)silyl]propanoateCarboxyethylsilanetriol Sodium Salt - 25% in waterSodium 3-(dihydroxyoxidosilyl)propanoateCARBOXYETHYLSILANETRIOL NA SALT 25per cent IN WATERC3H6Na2O5SiJGOICJFFICGNEJ-UHFFFAOYSA-MCarboxyethylsilanetriol, disodium saltDB-230271Carboxyethylsilanetriol disodium salt, 25% in waterCarboxyethylsilanetriol di-sodium salt, 23%-27% in water

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID50171219

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 CARBOXYETHYL SILICONATE

INCI name

DISODIUM CARBOXYETHYL SILICONATE

Description

Propanoic acid, 3-(trihydroxysilyl)-, sodium salt (1:2)

Record provenance

Inventory reference: 89981
Imported identity: DISODIUM CARBOXYETHYL SILICONATE
Source update: 09/07/2013

European Commission CosIng source notes

Annex records for DISODIUM CARBOXYETHYL SILICONATE

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Key data

CAS

18191-40-7

—

Restriction

—

Function

NOT REPORTED: No function currently reported.
SKIN CONDITIONING: Maintaining the skin in good condition.

Official EU ingredient-name evidence

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

#9315 · DISODIUM CARBOXYETHYL SILICONATE

Ingredients with overlapping formulation functions

DIPEPTIDE-56 AMIDENOT REPORTED

DIPEPTIDE-65NOT REPORTED

DIPEPTIDE-72NOT REPORTED

DIPEPTIDE-73NOT REPORTED

DISODIUM SELENITENOT REPORTED

DIXYLYLETHANENOT REPORTED

DROSERA ROTUNDIFOLIA POWDERNOT REPORTED

EMPETRUM NIGRUM FRUIT EXTRACTNOT REPORTED

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 DISODIUM CARBOXYETHYL SILICONATE appears in the CosIng inventory

The CosIng inventory lists DISODIUM CARBOXYETHYL SILICONATE 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 CARBOXYETHYL SILICONATE 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

DISODIUM CARBOXYETHYL SILICONATE 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 CARBOXYETHYL SILICONATE carries the following function designation(s):

CAS 18191-40-7 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 CARBOXYETHYL SILICONATE

This page reproduces the CosIng inventory entry for DISODIUM CARBOXYETHYL SILICONATE 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 CARBOXYETHYL SILICONATE 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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