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Ingredients

Ingredient Dictionary

AMMONIUM FLUOROSILICATE

Molecular structure

Definition

US FDA substance register · UNII 1X545W620G · registered name AMMONIUM HEXAFLUOROSILICATE · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

Cosmetic roles

Cares for the mouthORAL CAREPrevents plaqueANTIPLAQUE

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 ammonium 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 ammonium 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 ammonium 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 ammonium 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) · H331 (category 3) · H311 (category 3)

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex III (restricted substances), entry 42 · 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

Source: EU restricted substances (Annex III)

Restriction III/42 · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Names & identifiers

AMMONIUM FLUOROSILICATEINCI암모늄플루오로실리케이트Korean label name (MFDS standard)Silicate(2-), hexafluoro-, diammoniumSynonym
CAS No.chemical registry number
16919-19-0
EC No.EU chemical inventory number
240-968-3
DTXSIDUS EPA chemical ID
DTXSID6047076
DTXCIDUS EPA compound ID
DTXCID601860091
IUPAC
Bisammonium hexafluoridosilicate(2-)
Molecular formula
F6H8N2Si
Molecular weight
178.15 g/mol

Measured properties

Appearance
Ammonium fluorosilicate appears as a white crystalline solid. Noncombustible. Corrodes aluminum. Used as a disinfectant, in etching glass, metal casting, and electroplating. · White solid, [Hawley] Colorless crystals, soluble in water, [MSDSonline]
Odour
ODORLESS
Melting point
TWO MODIFICATIONS @ ROOM TEMP: STABLE, CUBIC PHASE, METASTABLE, TRIGONAL PHASE · 230 °C
Solubility
SLIGHTLY SOL IN ALCOHOL, INSOL IN ACETONE · 18.16 G/100 CC WATER @ 17 °C
Density
2 at 68 °F (USCG, 1999) - Denser than water, will sink · 2.011 g/cu cm

Values measured on the substance itself, not a specification for a commercial raw material.

Source: PubChem

What products actually use it for

What the 5 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.

  • Soil amendments2
  • Stabilizing agent1
  • Etching agent1
  • Pharmaceutical (EPA)1

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

3 skin studies and 4 eye studies are on record.

Classed as moderate1

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 7 studies
  • Classification not possible
    Skin Sensitization · Screening
  • Category 2
    Skin Irritation · Screening
  • Category 6.3A (Category 2)
    Skin Irritation · Read Across
  • Eye irritation - category 2A
    Eye Irritation · Screening
  • Category 6.4A (Category 2A)
    Eye Irritation · Read Across
  • Category 2A
    Eye Irritation · Screening
  • Serious eye damage/eye irritation - Category 2
    Eye Irritation · Screening

Source: US EPA CompTox dashboard

Linked databases 20