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InventoryRef 7579515/10/2010

DISODIUM PYROPHOSPHATE

Disodium dihydrogenpyrophosphate

DISODIUM PYROPHOSPHATE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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.

Chemical identity and properties

PubChem 2D chemical structure for CAS 7758-16-9
CAS 7758-16-9PubChem CID 24451

Disodium Pyrophosphate

The CIR Expert Panel concluded that the following 31 ingredients are safe in the present practices of use and concentration in cosmetics as described in this safety assessment, when formulated to be non-irritating...Disodium Pyrophosphate... Cosmetic Ingredient Review (CIR)

IUPAC name
disodium;[hydroxy(oxido)phosphoryl] hydrogen phosphate
Molecular formula
H2Na2O7P2
Molecular weight
221.94 g/mol
Exact mass
221.90711496 Da
Topological polar surface area
130.0 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
7
Covalent units
3
Defined stereocentres
0

Also known as

Sodium acid pyrophosphateDisodium dihydrogen pyrophosphateDisodium dihydrogen diphosphateDinatriumpyrophosphatDisodium acid pyrophosphateDiphosphoric acid, disodium saltSAPPH5WVD9LZUD
16 more reported names
Pyrophosphoric acid, disodium saltRefChem:135083231-835-0Dinatriumpyrophosphat [German]Disodium dihydrogenpyrophosphateHSDB 377UNII-H5WVD9LZUDSodium pyrophosphate (Na2H2P2O7)EINECS 231-835-0EC 231-835-0Diphosphoric acid, sodium salt (1:2)Disodiumpytophosphatedisodium hydrogen (hydrogen phosphonatooxy)phosphonateGrahamsches salzDisodium Diphosphate; Pyrophosphoric Acid Disodium Salt; Diphosphoric Acid Disodium Salt; Disodium Pyrophosphate; Disodium Acid Pyrophosphate;DSSTox_CID_8842
External database identifiers

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 PYROPHOSPHATE

INCI name

DISODIUM PYROPHOSPHATE

Description

Disodium dihydrogenpyrophosphate

Record provenance

Inventory reference
75795
Imported identity
DISODIUM PYROPHOSPHATE
Source update
15/10/2010
European Commission CosIng source notes

Key data

Restriction
Function
ANTICORROSIVE
Preventing and or inhibiting the corrosion of the packaging material.
BUFFERING
Stabilising the pH of an aqueous medium in a narrow range even if an acid or base is added. Altering and/or maintaining a cosmetic product's pH at the desired level.
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.

Ingredients with overlapping formulation functions

Additional official and scientific sources

11 external databases to check this identity in

How DISODIUM PYROPHOSPHATE appears in the CosIng inventory

The CosIng inventory lists DISODIUM PYROPHOSPHATE 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 PYROPHOSPHATE 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

DISODIUM PYROPHOSPHATE 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 PYROPHOSPHATE carries the following function designation(s):

CAS 7758-16-9 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.

Use the INCI Checker to screen a full ingredient list across selected markets, or compare this substance across all supported market datasets.

Source note for DISODIUM PYROPHOSPHATE

This page reproduces the CosIng inventory entry for DISODIUM PYROPHOSPHATE 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 PYROPHOSPHATE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

Tools & next steps

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