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CAS 7758-16-9

CAS 7758-16-9 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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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
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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.

Records for CAS 7758-16-9

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How CAS 7758-16-9 is used on this site

CAS 7758-16-9 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 7758-16-9 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.