Potassium Fluorosilicate
⚠ EU RestrictedIdentification
CAS Number 16871-90-2
EINECS / EC 240-896-2
CosIng Ref 87617
Chemical Name dipotassium;hexafluorosilicon(2-)
IUPAC Name —
Formula F6K2Si
Mol. Weight 220.272 g/mol
SMILES F[Si-2](F)(F)(F)(F)F.[K+].[K+]
InChIKey UUHPPUWEDCVPCO-UHFFFAOYSA-N
Function & Classification
Primary Function ANTIPLAQUE
Secondary Functions ORAL CARE
EU Regulatory Status
Max Leave-on 15%
Conditions of Use Contains potassium 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 fluoride from other sources consult a dentist or doctor."
SCCS Opinion View SCCS opinion →
Safety Profile
No toxicology data available yet for this ingredient.
Check SCCS opinions or CIR reports for published safety assessments.
NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
Usage level, pH range, solubility and addition phase not yet available.
Usage Level % · Addition Phase · Solubility
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Documents