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Chemical substance record

Ferric pyrophosphate

10058-44-34Fe.3O7P2745.203 g/mol
Coordination CompoundChEBI source record

An iron coordination entity composed from Fe(3+) cations and diphosphate(4−) anions in a 4:3 ratio. — ChEBI

Safety references

Safety documents & references

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Identity & molecular properties

Source-linked values
CAS number10058-44-3ChEBI ↗
Molecular formula4Fe.3O7P2ChEBI ↗
Molar mass745.203 g/molChEBI ↗
Monoisotopic mass745.47553 DaChEBI ↗
Formal charge0ChEBI ↗
ChEBI identifierCHEBI:132767ChEBI ↗

Cross-source molecular data

PubChem
Molar mass745.21 g/molPubChem ↗
Exact mass745.47552 DaPubChem ↗

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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ferric pyrophosphate
iron(3+) diphosphate (4/3)
CADNYOZXMIKYPR-UHFFFAOYSA-B
O=P([O-])([O-])OP(=O)([O-])[O-].O=P([O-])([O-])OP(=O)([O-])[O-].O=P([O-])([O-])OP(=O)([O-])[O-].[Fe+3].[Fe+3].[Fe+3].[Fe+3]
InChI=1S/4Fe.3H4O7P2/c;;;;3*1-8(2,3)7-9(4,5)6/h;;;;3*(H2,1,2,3)(H2,4,5,6)/q4*+3;;;/p-12

Names & synonyms

iron(3+) diphosphate (4/3)

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

Classification & relationships

ChEBI ontology
iron coordination entityChEBI parent class · 33892 ↗
coordination entity

Roles recorded in ChEBI

antibacterial agentanti-anaemic 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
Equivalent amount
0.00134192 mol

Uses 745.203 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Research & patent references

Selected source associations
Transdermal Delivery of Iron Using Soluble Microneedles: Dermal Kinetics and Safety. ↗Journal of pharmaceutical sciences · 2016 Mar · PMID 26928401
Cofortification of ferric pyrophosphate and citric acid/trisodium citrate into extruded rice grains doubles iron bioavailability through in situ generation of soluble ferric pyrophosphate citrate complexes. ↗The American journal of clinical nutrition · 2016 May · PMID 27053382
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Sources & record history

Checked 27 Sep 2026
EMBL-EBI ChEBI · CHEBI:132767

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

NCBI PubChem · CID 24877 · 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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