Chemical substance record

Sodium fluorophosphate

10163-15-2FO₃P.₂Na143.949 g/mol

Salt and Compound WithChEBI source record

Sodium fluorophosphate, commonly abbreviated MFP, is an inorganic compound with the chemical formula Na2PO3F. Typical for a salt, MFP is odourless, colourless, and water-soluble. This salt is an ingredient in toothpastes. — ChEBI

Safety references

Safety documents & references

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Identity & molecular properties

Source-linked values

CAS number	10163-15-2	ChEBI ↗
Molecular formula	FO₃P.₂Na	ChEBI ↗
Molar mass	143.949 g/mol	ChEBI ↗
Monoisotopic mass	143.93645 Da	ChEBI ↗
Formal charge	0	ChEBI ↗
ChEBI identifier	CHEBI:86431	ChEBI ↗

Names & structural identifiers

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Source preferred name

sodium fluorophosphate

IUPAC name

disodium phosphorofluoridate

InChIKey

BFDWBSRJQZPEEB-UHFFFAOYSA-L

SMILES

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

InChI

InChI=1S/FH2O3P.2Na/c1-5(2,3)4;;/h(H2,2,3,4);;/q;2*+1/p-2

Names & synonyms

disodium phosphorofluoridate

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

Classification & relationships

ChEBI ontology

inorganic phosphateChEBI parent class · 24838 ↗inorganic sodium saltChEBI parent class · 38702 ↗

inorganic salt inorganic molecular entity

Roles recorded in ChEBI

antibacterial 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

0.0069469 mol

Uses 143.949 g/mol from ChEBI. Assumes the substance described by this record; no purity or concentration correction is applied.

Elemental composition

Theoretical mass fractions

P

Phosphorus · 2 atoms

40.77%

O

Oxygen · 3 atoms

31.59%

Na

Sodium · 1 atom

15.13%

F

Fluorine · 1 atom

12.50%

Calculated theoretical mass fractions from the reported formula and PubChem periodic-table atomic masses. These are not assay or purity results.

Research & patent references

Selected source associations

Metabolism of the complex monofluorophosphate-alpha 2-macroglobulin in the rat. ↗Medicina · 1999 · PMID 10413892

Inhibitory effects of children's toothpastes on Streptococcus mutans, Streptococcus sanguinis and Lactobacillus acidophilus. ↗European archives of paediatric dentistry : official journal of the European Academy of Paediatric Dentistry · 2015 Apr · PMID 25403148

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Sources & record history

Checked 27 Sep 2026

Identity, formula, mass, synonyms & ontologyEMBL-EBI ChEBI · CHEBI:86431

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

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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