Definition
US FDA substance register · UNII 806AV2E065 · registered name SODIUM HEXAFLUOROSILICATE · single chemical substance
Cosmetic roles
Safety & regulatory references
- Restricted
- Taiwan · United Kingdom
Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · Taiwan FDA cosmetic regulations · UK cosmetics regulations (OPSS)
Argentina · Brazil
- Field of application and/or use : (a) Toothpastes (b) Mouthwashes
- Maximum concentration permitted at final product : 0.15% expressed as fluorine. When it is mixed with other fluorine compounds permitted, the maximum concentration fluoride total must not exceed 0.15%
- Use conditions and warnings that must appear on the label : a) - Contains sodium fluorsilicate. For toothpaste containing 0.1% -0.15% fluoride, except if is already included that is contraindicated for children (e.g. “for adult use only”) it must contain the following warning: “Children under 6 years: Use an amount like a pea size, with adult supervision during brushing to minimize swallowing. If you ingest fluoride from other sources, consult your doctor or dentist" b) - Contains sodium fluorsilicate. - Keep out of children reach. - Do not use in children under 6 years old
ASEAN
- Field of application and/or use : Oral hygiene products
- Maximum authorised concentration in the finished cosmetic product : 0.15% calculated as F. When mixed with other fluorine compounds permitted under this Annex, total F concentration must not exceed 0.15%.
- Other limitations and requirements : Thailand only 0.11% calculated as F. When mixed with other fluorine compounds permitted under this Annex, total F concentration must not exceed 0.11%.
- Conditions of use and warning which must be printed on the labels : • Contains sodium fluorosilicate • Children of 6 years and under: Use a pea sized amount for supervised brushing to minimize swallowing. In case of intake of fluoride from other sources consult a dentist or doctor(12)
European Union
- Product Type, body parts : Oral products
- Maximum concentration in ready for use preparation : 0,15 % calculated as F. When mixed with other fluorine compounds permitted under this Annex, total F concentration must not exceed 0,15 %
- Wording of conditions of use and warnings : Contains sodium fluorosilicate For any toothpaste with compounds containing fluorine in a concentration of 0.1 to 0.1'5.0% 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."
Source: MFDS (Korea) cosmetic regulatory information
Korea’s toxic-substance GHS classification: Danger · H301 (category 3) · H332 (category 4) · H318 (category 1)
EU Cosmetics Regulation, Annex III (restricted substances), entry 40 · 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 % · applies to Oral products
Restriction III/40 · Other restriction: ban substances that deplete the ozone layer
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Names & identifiers
- CAS No.chemical registry number
- 16893-85-9
- EC No.EU chemical inventory number
- 240-934-8
- DTXSIDUS EPA chemical ID
- DTXSID9036933
- DTXCIDUS EPA compound ID
- DTXCID7016933
- IUPAC
- Disodium hexafluoridosilicate(2-)
- Molecular formula
- F6Na2Si
- Molecular weight
- 188.055 g/mol
What products actually use it for
What the 10 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Degradant/impurity (EPA)4
- Anti-scaling agent2
- Abrasive2
- Cleaning agent1
- Pharmaceutical (EPA)1
Source: US EPA CompTox dashboard
Irritation and sensitisation studies
2 skin studies and 4 eye studies are on record.
The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.
See all 6 studies
- Classification not possible
Skin Sensitization · Screening - Category 3
Skin Irritation · Screening - Serious eye damage/eye irritation - Category 2A
Eye Irritation · Screening - Category 6.4A (Category 2A)
Eye Irritation · Read Across - Category 2A
Eye Irritation · Screening - Eye irritation - category 2A
Eye Irritation · Screening
Source: US EPA CompTox dashboard
Related literature
Linked databases 20
- ASEAN Cosmetic Directive
- Australian Industrial Chemicals Inventory (AICIS)
- EU CosIng ingredient list 2
- EU Cosmetics Regulation
- EU restricted substances (Annex III)
- Korea Cosmetic Association ingredient dictionary
- Korea toxic substances GHS register (NIER)
- MFDS (Korea) cosmetic ingredient register 2
- MFDS (Korea) cosmetic regulatory information 2 3 4
- Taiwan FDA cosmetic ingredients
- Taiwan FDA cosmetic regulations
- Tlooto literature search 2
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata
- Wikipedia · English · Japanese · Chinese