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Sodium monofluorophosphate

CAS 7631-97-2 · 70/100 · High conf.

Also registered as 1 other CAS number

10163-15-2

Concern score

70/100High concern based on regulatory listings.
High confidence

Sodium monofluorophosphate in plain language

What it is

Also known as Sodium fluorophosphate · Disodium fluorophosphate · sodium salt Fluorophosphoric acid · Mfp · MFP gel · MFP varnish

Show all 10 names

Monoflor · sodium salt Phosphorofluoridic acid · Phosphorofluoridic acid, sodium salt (1:x) · Sodium phosphorofluoridate

What it does

Used in cosmetics as an antiplaque and an oral-care ingredient.

  • Antiplaque
  • Oral care
Is it a concern?
High concern: no hazard classifications on record. It is restricted in EU cosmetics.

Why it's flagged

Sodium monofluorophosphate is restricted in cosmetic products under Annex III of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — restricted

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

  • EU Annex III — restricted
  • EU restricted in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Industrial

  • EUEC

    Annex III of EU Cosmetics Regulation (EC) 1223/2009: substances which cosmetic products must not contain except subject to the restrictions laid down. Product types: Oral products Maximum concentration: 0.15% calculated as F. When mixed with other fluorine compounds permitted under this Annex, total F concentration must not exceed 0.15% Conditions of use and warnings: Contains sodium monofluorophosphate For any toothpaste with compounds containing fluorine in a concentration of 0.1 to 0.15% calculated as F unless it is already labelled as contra-indicated for children (e.g. "for adult use only") the following labelling is obligatory: "Children of 6 years and younger: use a pea-sized amount for supervised brushing to minimise swallowing. In case of intake of…

    restricted
    View source →
  • EUCosIngActive2 entries
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products.Source →

Expert safety opinions

No expert opinion on file for Sodium monofluorophosphate. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for Sodium monofluorophosphate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

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  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2013-05-14

    Open →

  • EPA Chemical and Products Database

    exposure · updated 2020-08-31

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Catalog

Found in these products

Cosmetic and personal-care products that list Sodium monofluorophosphate are shown first. Their ingredient lists include Sodium monofluorophosphate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 195 →Find products without it →