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Sodium hexafluorosilicate

CAS 1310-02-7 · 70/100 · High conf.

Also registered as 16 other CAS numbers

1344-04-3 · 12656-12-1 · 39413-34-8 · 221174-64-7 · 1202391-51-2 · 1360896-72-5 · 2041645-24-1 · 2085706-50-7 · 2108687-60-9 · 2192184-31-7 · 2226012-27-5 · 2293042-88-1 · 2416265-41-1 · 2600319-46-6 · 2639889-46-4 · 16893-85-9

Sodium hexafluorosilicate chemical structure

Concern score

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

Sodium hexafluorosilicate in plain language

What it is

On cosmetic ingredient lists it appears as “Sodium fluorosilicate”.

Also known as Sodium fluorosilicate · Sodium silicofluoride · Disodium hexafluorosilicate (NA2SIF6) · Disodium hexafluoridosilicate(2-) · SILICATE(2-), hexafluoro-, sodium (1:2) · Sodium fluosilicate

Show all 37 names

Sodium silicon fluoride (NA2SIF6) · disodium;hexafluorosilicon(2-) · Destruxol applex · Dinatriumhexafluorosilicat · Disodium hexafluorosilicate · Disodium hexafluorosilicate(2-) · Disodium silicofluoride · Ens-zem weevil bait · Fluorosilicate de sodium · Fluosilicate de sodium · Hexafluorosilicate de disodium · Keifuka Soda · Natrium-hexafluorosilicat · Natriumhexafluorosilicat · Natriumsilicofluorid · Ortho earwig bait · Ortho weevil bait · PSC Co-Op weevil bait · Safsan · Salufer · Silicate(2-), hexafluoro-, disodium · Silicon sodium fluoride · Sodium hexafluosilicate · Sodium silicon fluoride · Super prodan · disodium silico fluoride · hexafluorosilicato de disodio · silico fluorides · sodium silicofluoride (inorganic fluoride) · sodium silicofluoride/fluorosilicate · Natrum silicofluoricum

What it does

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

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

Why it's flagged

Sodium Fluorosilicate 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.

  • In marketed US drugs
  • EU Annex III — restricted
  • EU restricted in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • 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 fluorosilicate 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 114 composition records across product categories including Laboratory supplies, Home maintenance, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Abrasive, Anti-scaling agent, oral care.
    • EPA CPDat observed this chemical in 114 composition records across product categories including Laboratory supplies, Home maintenance, Cleaning and safety. EPA CPDat classifies this chemical for functional uses including Abrasive, Anti-scaling agent, oral care.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 1 active drug products and 1 total products.
    • FDA NDC lists this ingredient in 1 active drug products and 1 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for Sodium hexafluorosilicate. 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 hexafluorosilicate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

8 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2013-05-14

    Open →
  • EPA Chemical and Products Database

    exposure · updated november 22, 2016

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA National Drug Code Directory

    regulatory · updated 2026-12-31

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    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.

Where it has been recorded

How often EPA CPDat has listed Sodium hexafluorosilicate in a product composition. These are source records, not Greenveil catalog products.

Source records

114

Named organisations

6

Laboratory suppliesHome maintenanceCleaning and safetyCleaning products and household careIndustrial productsRaw materials

Typical roles

AntiplaqueOral careAbrasive
See products using Sodium hexafluorosilicate →