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InventoryRef 9317404/12/2015

SODIUM PHOSPHINATE

Monosodium Hypophosphite,Phosphinic acid, sodium salt (1:1),Phosphinic acid, sodium salt, hydrate (1:1:1)

SODIUM PHOSPHINATE 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 10039-56-2

CAS 10039-56-2PubChem CID 23708894

Sodium hypophosphite monohydrate

Molecular formula: H2NaO3P
Molecular weight: 103.978 g/mol
Exact mass: 103.96392520 Da
Topological polar surface area: 41.1 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 3
Defined stereocentres: 0

Also known as

4VN69WUP7NRefChem:183942Fosfornan sodnyPhosphinic acid, sodium salt, monohydrateSodium hypophosphite hydrateSodium phosphenite hydrateSCHEMBL7867ACUGTEHQOFWBES-UHFFFAOYSA-M

8 more reported names

SODIUM HYPOPHOSPHITE, MONOHYDRATESodium hypophosphite monohydrate, >=99%SODIUM HYPOPHOSPHITE MONOHYDRATE [MI]Sodium hypophosphite monohydrate, puriss., 98.0%Sodium hypophosphite monohydrate, puriss. p.a., Reag. Ph. Eur., >=99%Sodium hypophosphite monohydrate, puriss., meets analytical specification of DAC, 99-103%Sodium hypophosphite monohydrate, SAJ first grade, 80.0-86.0% anhydrous basisSodium hypophosphite monohydrate, SAJ special grade, 82.0-86.0% anhydrous basis

Open full PubChem record PubChem annotations 3D structure image

Evidence from additional scientific databases

NIH PubChem PUG-View

Exact identifier match23708894

Attributed physical-property, hazard, environmental and use annotations.

Physical Description: White odorless solid; Deliquescent; [Merck Index] White hygroscopic crystals; [Sigma-Aldrich MSDS] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases

Note: This chemical does not meet GHS hazard criteria for 100% (299 of 299) of all reports. Source: European Chemicals Agency (ECHA)
GHS Hazard Statements: Not Classified; Reported as not meeting GHS hazard criteria by 299 of 299 companies. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)
ECHA C&L Notifications Summary: Aggregated GHS information provided per 299 reports by companies from 1 notifications to the ECHA C&L Inventory.; Reported as not meeting GHS hazard criteria per 299 of 299 reports by companies.; There are 0 notifications provided by 0 of 299 reports by companies with hazard statement code(s).; Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website. Source: European Chemicals Agency (ECHA)

Sources/Uses: Used as a reagent and to make hypophosphites; [Merck Index] Source: Haz-Map, Information on Hazardous Chemicals and Occupational Diseases

Mapped by: Existing checksum-valid CAS to unique PubChem CID match. Retrieved: 2026-08-31. Open source record

Scientific classifications and hazard annotations provide context and do not replace the market-specific regulatory decision shown above.

Additional source coverage and match status

Source	Result	Checked
EMBL-EBI ChEBI	No exact record	2026-08-31
NIH PubChem PUG-View	Exact match	2026-08-31

A recorded no-match is useful evidence that the source was checked; it is not a claim that the substance does not exist elsewhere.

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

PubChem 2D chemical structure for CAS 7681-53-0

CAS 7681-53-0PubChem CID 23675242

Sodium hypophosphite

Sodium hypophosphite is an inorganic molecular entity. — ChEBI

Molecular formula: NaO2P
Molecular weight: 85.962 g/mol
Exact mass: 85.95336052 Da
Topological polar surface area: 40.1 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 2
Covalent units: 2
Defined stereocentres: 0

Also known as

Sodium phosphinateRefChem:887621231-669-98TU1537O43Hypophosphorous acid monosodium saltMonosodium hypophosphiteNatriumhypophosphitPhosphinic acid monosodium salt

14 more reported names

Phosphinic acid, sodium saltSodium hydrogen phosphite (NaH2PO2)Sodium hydrophosphiteSodium hypophosphite (NaH2PO2)Sodium phosphinate (NaH2PO2)Sodium phospheniteNaO2Psodium;oxido(oxo)phosphaniumSODIUM HYPOPHOSPHITE [MI]CHEBI:234148ZGKNDXOLMOFEJH-UHFFFAOYSA-MSODIUM HYPOPHOSPHITE [FCC]SODIUM HYPOPHOSPHITE [HSDB]SODIUM HYPOPHOSPHITE [WHO-DD]

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External database identifiers

ChEBI:CHEBI:234148
ChEMBL:CHEMBL2146115

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 PHOSPHINATE

INCI name

SODIUM PHOSPHINATE

Description

Monosodium Hypophosphite,Phosphinic acid, sodium salt (1:1),Phosphinic acid, sodium salt, hydrate (1:1:1)

Record provenance

Inventory reference: 93174
Imported identity: SODIUM PHOSPHINATE
Source update: 04/12/2015

European Commission CosIng source notes

Annex records for SODIUM PHOSPHINATE

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Key data

CAS

7681-53-0,10039-56-2

231-669-9 (I),

Restriction

—

Function

ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.
CHELATING: Forming complexes with metal ions which could affect the stability and/or appearance of cosmetics.

Official EU ingredient-name evidence

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

#26928 · SODIUM PHOSPHINATE

Ingredients with overlapping formulation functions

SODIUM METASILICATEANTICORROSIVE, BUFFERING, CHELATING

SODIUM OXALATEANTICORROSIVE, CHELATING

SODIUM PEG-4 PEI-6 PHOSPHONATECHELATING

SODIUM PENTAERYTHRITYL HYDROXYPROPYL IMINODIACETATE DENDRIMERCHELATING, CLEANSING, SURFACTANT - CLEANSING

SODIUM PHYTATECHELATING, ORAL CARE

SODIUM POLYDIMETHYLGLYCINOPHENOLSULFONATECHELATING, SURFACTANT - CLEANSING

SODIUM POLYITACONATECHELATING

SODIUM POLYPHOSPHATECHELATING

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 PHOSPHINATE appears in the CosIng inventory

The CosIng inventory lists SODIUM PHOSPHINATE 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 PHOSPHINATE 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

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

CAS 7681-53-0,10039-56-2 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 PHOSPHINATE

This page reproduces the CosIng inventory entry for SODIUM PHOSPHINATE 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 PHOSPHINATE 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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Tools & next steps

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