Ammonium hexafluorosilicate

Ammonium hexafluorosilicate in plain language

What it is

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

Also known as Ammonium fluorosilicate · Ammonium silicofluoride · Ammonium fluosilicate · Bisammonium hexafluoridosilicate(2-) · Diammonium hexafluorosilicate · Diammonium HEXAFLUOROSILICATE(2-)

Show all 20 names

HEXAFLUOROSILICATE(2-) ammonium (1:2) · SILICATE(2-), hexafluoro-, ammonium (1:2) · SILICATE(2-), hexafluoro-, diammonium · diazanium;hexafluorosilicon(2-) · Ammonium silicon fluoride · Caswell No. 043 · Diammonium silicon hexafluoride · Diammonium fluorosilicate · Diammonium fluosilicate · ammonium salt Fluorosilicic acid · Lpe 6 · Silicate, hexafluoro-, diammonium · UN2854 · ammonium silicofluoride (sara iii)

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

Ammonium 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.

• EU Annex III — restricted
• EU restricted in cosmetics

• EU·EC

  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 ammonium 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 →

• EU·CosIng·Active2 entries

  • Restriction: III/42Source →
  • Cosmetics Regulation annex III / ref 42.Source →
• US·EPA·commercial use observedEPA CPDat observed this chemical in 43 composition records across product categories including Laboratory supplies, Pesticides, Construction and building materials. EPA CPDat classifies this chemical for functional uses including oral care, Pharmaceutical.

  • EPA CPDat observed this chemical in 43 composition records across product categories including Laboratory supplies, Pesticides, Construction and building materials. EPA CPDat classifies this chemical for functional uses including oral care, Pharmaceutical.Source →
• US·FDA·listed 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 Ammonium 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.