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CAS 29736-24-1 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 8303515/10/2010

DISODIUM HYDROXYSULFINOACETATE

Acetic acid, 2-hydroxy-2-sulfino-, sodium salt (1:2)

DISODIUM HYDROXYSULFINOACETATE 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 29736-24-1

CAS 29736-24-1PubChem CID 44624730

Disodium alpha-sulfoglycolate

IUPAC name: disodium;2-hydroxy-2-sulfonatoacetate

Molecular formula: C2H2Na2O6S
Molecular weight: 200.08 g/mol
Exact mass: 199.93674752 Da
Topological polar surface area: 126.0 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 6
Covalent units: 3
Defined stereocentres: 0

Also known as

Acetic acid, hydroxysulfo-, disodium saltBlancolen(registered) HP0K095R699DAcetic acid, 2-hydroxy-2-sulfo-, sodium salt (1:2)EC 608-408-6DISODIUM HYDROXYSULFOACETATEDISODIUM .ALPHA.-SULFOGLYCOLATEGLYCOLIC ACID, SULFO-, DISODIUM SALT

8 more reported names

2-HYDROXY-2-SULFONATOACETIC ACID, DISODIUM SALTRefChem:589443DISODIUM HYDROXYSULFOACETATE [INCI]608-408-6UNII-0K095R699DAJXNWWLXMKDNHF-UHFFFAOYSA-LDisodium hydroxy(sulfonato)acetateAcetic acid, 2-hydroxy-2-sulfo-, sodium salt

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

EPA DTXSID:DTXSID8074360

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 HYDROXYSULFINOACETATE

INCI name

DISODIUM HYDROXYSULFINOACETATE

Description

Acetic acid, 2-hydroxy-2-sulfino-, sodium salt (1:2)

Record provenance

Inventory reference: 83035
Imported identity: DISODIUM HYDROXYSULFINOACETATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for DISODIUM HYDROXYSULFINOACETATE

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Key data

CAS

29736-24-1

—

Restriction

—

Function

REDUCING: Changing the chemical nature of another ingredient by adding hydrogen (or removing oxygen).

Official EU ingredient-name evidence

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

#9360 · DISODIUM HYDROXYSULFINOACETATE

Ingredients with overlapping formulation functions

CYSTEAMINE HCLANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, REDUCING

CYSTEINEANTIOXIDANT, ANTISTATIC, FRAGRANCE, HAIR CONDITIONING, HAIR WAVING OR STRAIGHTENING, REDUCING

CYSTEINE HCLANTIOXIDANT, HAIR CONDITIONING, HAIR WAVING OR STRAIGHTENING, REDUCING

DIHYDROXYBENZYLIDENE SUCCINIMIDEANTIOXIDANT, BLEACHING, REDUCING, SKIN PROTECTING

DISODIUM HYDROXYSULFOACETATEREDUCING

DISODIUM TETRAMETHYLHEXADECENYL SUCCINOYL CYSTEINEREDUCING, SKIN CONDITIONING, SKIN PROTECTING

DITHIODIGLYCOLIC ACIDREDUCING

DITHIOTHREITOLHAIR WAVING OR STRAIGHTENING, REDUCING

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 HYDROXYSULFINOACETATE appears in the CosIng inventory

The CosIng inventory lists DISODIUM HYDROXYSULFINOACETATE 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 HYDROXYSULFINOACETATE 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 HYDROXYSULFINOACETATE 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 HYDROXYSULFINOACETATE carries the following function designation(s):

REDUCING

CAS 29736-24-1 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 HYDROXYSULFINOACETATE

This page reproduces the CosIng inventory entry for DISODIUM HYDROXYSULFINOACETATE 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 HYDROXYSULFINOACETATE 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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