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CAS 149-44-0 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 8439815/10/2010

SODIUM OXYMETHYLENE SULFOXYLATE

Sodium hydroxymethanesulphinate

SODIUM OXYMETHYLENE SULFOXYLATE 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 149-44-0

CAS 149-44-0PubChem CID 24181102

Rongalite

Molecular formula: CH4NaO3S
Molecular weight: 119.10 g/mol
Exact mass: 118.97788444 Da
Topological polar surface area: 76.7 Å²
Hydrogen-bond donors: 2
Hydrogen-bond acceptors: 4
Covalent units: 2
Defined stereocentres: 0

Also known as

AldanilDiscoliteFormopanHydrolitLeptacidLeptacitRoditeBleachit D

16 more reported names

Rongalit CRongalite CSuperlite CHydrosulfite AWCRedol CSodium methanalsulfoxylateNatrium hydroxymethansulfinatNatrium formaldehydesulfoxylatOxymethansulfinsaeuren natriumFormaldehyde sodium sulfoxylateSodium sulfoxylate formaldehydeSodium (hydroxymethyl)sulfinateSODIUM FORMALDEHYDESULFOXYLATEHydroxymethansulfinsaeure, natriumsalzFormaldehydesulfoxylic acid sodium saltRefChem:930878

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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 OXYMETHYLENE SULFOXYLATE

INCI name

SODIUM OXYMETHYLENE SULFOXYLATE

INN name

Sodium sulfoxylate formaldehyde (anhydrous) [USAN]

Description

Sodium hydroxymethanesulphinate

Record provenance

Inventory reference: 84398
Imported identity: SODIUM OXYMETHYLENE SULFOXYLATE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for SODIUM OXYMETHYLENE SULFOXYLATE

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Key data

CAS

149-44-0

205-739-4

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.

#26879 · SODIUM OXYMETHYLENE SULFOXYLATE

Ingredients with overlapping formulation functions

SODIUM GLYOXYLATEREDUCING

SODIUM HYDROSULFITEREDUCING, VISCOSITY CONTROLLING

SODIUM HYDROXYMETHANE SULFONATEANTIMICROBIAL, REDUCING

SODIUM METABISULFITEANTIOXIDANT, PRESERVATIVE, REDUCING

SODIUM SULFITEANTIOXIDANT, HAIR WAVING OR STRAIGHTENING, PRESERVATIVE, REDUCING

SODIUM THIOGLYCOLATEANTIOXIDANT, DEPILATORY, HAIR WAVING OR STRAIGHTENING, REDUCING

SODIUM THIOSULFATEREDUCING

SODIUM TOCOPHERYL PHOSPHATEANTIOXIDANT, EMULSION STABILISING, REDUCING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT …

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 OXYMETHYLENE SULFOXYLATE appears in the CosIng inventory

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

REDUCING

CAS 149-44-0 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 OXYMETHYLENE SULFOXYLATE

This page reproduces the CosIng inventory entry for SODIUM OXYMETHYLENE SULFOXYLATE 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 OXYMETHYLENE SULFOXYLATE 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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