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CAS 16940-66-2 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 9422621/06/2016

SODIUM BOROHYDRIDE

Borate(1-), tetrahydro-, sodium (1:1)

SODIUM BOROHYDRIDE 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 16940-66-2

CAS 16940-66-2PubChem CID 4311764

Sodium borohydride

Sodium borohydride is an inorganic sodium salt and a metal tetrahydridoborate. — ChEBI

IUPAC name: sodium boranuide

Molecular formula: BH4Na
Molecular weight: 37.84 g/mol
Exact mass: 38.0303746 Da
Topological polar surface area: 0.0 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 2
Defined stereocentres: 0

Also known as

NaBH4borohydrure de sodiumSodium tetrahydridoborate(1-)Sodium borohydride (Na(BH4))CHEBI:50985RefChem:183807241-004-487L0B9CPPA

16 more reported names

Borate(1-), tetrahydro-, sodiumBORATE(1-), TETRAHYDRO-, SODIUM (1:1)BorolCOLORSTRIP 2000EC 241-004-4EINECS 241-004-4Hidkitex DFHYDRIFINSodium borohydratesodium borotritideSodium hydroborateSODIUM TETRAHYDRIDOBORATESODIUM TETRAHYDROBORATESodium tetrahydroborate(1-)UNII-87L0B9CPPAsodiumborohydride

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:50985
EPA DTXSID:DTXSID80893977
PubMed:23220588
PubMed:21130106
PubMed:11457837

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 BOROHYDRIDE

INCI name

SODIUM BOROHYDRIDE

Description

Borate(1-), tetrahydro-, sodium (1:1)

Record provenance

Inventory reference: 94226
Imported identity: SODIUM BOROHYDRIDE
Source update: 21/06/2016

European Commission CosIng source notes

Annex records for SODIUM BOROHYDRIDE

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Key data

CAS

16940-66-2

241-004-4 (I)

Restriction

—

Function

ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
BULKING: Non-reactive (chemically inert), solid ingredients that dilute other solids and/or increase the volume of cosmetic products.
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.

#26303 · SODIUM BOROHYDRIDE

Ingredients with overlapping formulation functions

SILICON/TITANIUM/CERIUM/ZINC OXIDESBULKING, OPACIFYING

SILKBULKING

SILK POWDERBULKING, SKIN CONDITIONING

SILVER MAGNESIUM ALUMINUM PHOSPHATEANTIMICROBIAL, BULKING

SODIUM CARBONATEBUFFERING, BULKING

SODIUM CHLORIDEBULKING, FRAGRANCE, ORAL CARE, VISCOSITY CONTROLLING

SODIUM HYDROXYPROPYL STARCH PHOSPHATEABRASIVE, BULKING, VISCOSITY CONTROLLING

SODIUM MAGNESIUM SILICATEBINDING, 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 BOROHYDRIDE appears in the CosIng inventory

The CosIng inventory lists SODIUM BOROHYDRIDE 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 BOROHYDRIDE 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

SODIUM BOROHYDRIDE 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 BOROHYDRIDE carries the following function designation(s):

CAS 16940-66-2 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 BOROHYDRIDE

This page reproduces the CosIng inventory entry for SODIUM BOROHYDRIDE 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 BOROHYDRIDE 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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