Home/Chemicals/13472-36-1

Chemical substance record

Sodium pyrophosphate decahydrate

13472-36-1₁₀H₂O.₄Na.O₇P₂446.051 g/mol

Salt and Compound WithChEBI source record

A hydrate that is the decahydrate form of sodium diphosphate. — ChEBI

Safety references

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Identity & molecular properties

Source-linked values

CAS number	13472-36-1	ChEBI ↗
Molecular formula	₁₀H₂O.₄Na.O₇P₂	ChEBI ↗
Molar mass	446.051 g/mol	ChEBI ↗
Monoisotopic mass	445.97665 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:177382	ChEBI ↗

Cross-source molecular data

PubChem

Molar mass	446.06 g/mol	PubChem ↗
Exact mass	445.97665029 Da	PubChem ↗

PubChem computed values are shown separately from the ChEBI record. An exact InChIKey match was used to connect the records. Molecular descriptors do not describe a supplied product’s purity, particle size or performance.

Names & structural identifiers

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Source preferred name

sodium pyrophosphate decahydrate

IUPAC name

sodium diphosphate--water (1/10)

InChIKey

VZWGHDYJGOMEKT-UHFFFAOYSA-J

SMILES

O.O.O.O.O.O.O.O.O.O.O=P([O-])([O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]

InChI

InChI=1S/4Na.H4O7P2.10H2O/c;;;;1-8(2,3)7-9(4,5)6;;;;;;;;;;/h;;;;(H2,1,2,3)(H2,4,5,6);10*1H2/q4*+1;;;;;;;;;;;/p-4

Names & synonyms

sodium diphosphate--water (1/10)

Names are supplied by ChEBI. Trade names and related synonyms may describe a broader product context.

Classification & relationships

ChEBI ontology

hydrateChEBI parent class · 35505 ↗

hydrate

Roles recorded in ChEBI

chelatorfood emulsifierfood thickening agent

Database role annotations describe reported biological or chemical roles; they are not product approvals or recommendations for use.

Mass ↔ amount of substance

Calculated from sourced mass

Amount

Input unit

Equivalent amount

0.0022419 mol

Uses 446.051 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Research & patent references

Selected source associations

Single-nucleotide polymorphism typing based on pyrosequencing chemistry and acryl-modified glass chip. ↗Electrophoresis · 2009 Mar · PMID 19235806

Quantification of human plasma inorganic pyrophosphate. I. Normal values in osteoarthritis and calcium pyrophosphate dihydrate crystal deposition disease. ↗Arthritis and rheumatism · 1979 Aug · PMID 223577

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:177382

Release 255, 9 September 2026. ChEBI three-star (manually annotated) source entry. View original record ↗ · CC BY 4.0

Additional molecular descriptorsNCBI PubChem · CID 3084150 · retrieved 2026-09-27

PubCAS formats source data, connects references and computes explicitly labelled conversions. CAS cross-references are supplied by ChEBI; they do not constitute CAS verification or endorsement.

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