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Stannous fluoride

CAS Number
7783-47-3
EC Number
231-999-3
Chemical Formula
F2Sn
Molecular Weight
156.71 g/mol

Description

thoughtful mini-steps: Stannous fluoride (CAS 7783-47-3 ), also known commercially as tin difluoride, is an inorganic tin salt used primarily as an active ingredient in oral care and pharmaceutical formulations. It delivers fluoride ion activity combined with antimicrobial action, making it a distinct functional choice compared to sodium fluoride or amine fluoride systems for manufacturers. In toothpaste and mouth rinse formulations, it is used as both a caries-prevention agent and an antibacterial active, targeting plaque and gingivitis at concentrations typically ranging from 0.4% to 0.454%. Pharmaceutical oral care products, including prescription-strength gels and professional dental treatments, rely on it where dual fluoride and antimicrobial efficacy is required by the formulation brief. It also appears in specialty whitening and sensitivity-relief dentifrice systems, where its stannous ion component contributes to tubule occlusion and stain-blocking performance for the end user. Some industrial surface treatment applications use this material in metal finishing processes, though oral care remains the dominant commercial demand for this specific chemical compound. The product is supplied as a white crystalline powder. USP and pharmaceutical-grade specifications are the most commercially relevant, with purity levels typically at 98% or higher. These levels meet compendial standards, and FCC grade material is available for suppliers serving food-adjacent or oral care markets requiring food-safe certification for their products. Contact us for supply of Stannous fluoride Request Quote

Other Names (Synonyms)

Tin difluoride | Tin bifluoride | Tin Fluoride (SnF2) | Easygel | Stancare | Stanide | Crest | Stop

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

Physical Properties

Melting Point213 °C
Boiling Point850 °C
Density4.57 g/cm³ @ Temp: 25 °C
AppearanceStannous fluoride is a white crystalline solid with a bitter, salty taste.
ColorWhite to off-white
FormPowder, Crystals or Crystalline Powder
Water SolubilitySoluble in potassium hydroxide and potassium fluoride. Insoluble in water, ethanol, ether and chloroform.
Log P-1.357 (est)

Safety & Handling

Danger
GHS05· CorrosiveGHS06· ToxicGHS07· IrritantGHS09· EnvironmentGHS08· Health Hazard

Hazard Statements

H290May be corrosive to metals
H300Fatal if swallowed
H301Toxic if swallowed
H302Harmful if swallowed
H314Causes severe skin burns and eye damage
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H372Causes damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects

Precautionary Statements

P234Keep only in original packaging.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P261Avoid breathing dust/fume/gas/mist/vapours/spray.
P264Wash … thoroughly after handling.
P270Do not eat, drink or smoke when using this product.
P271Use only outdoors or in a well-ventilated area.
P273Avoid release to the environment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P319Get medical advice/attention if you feel unwell.
P321Specific treatment (see … on this label).
P330Rinse mouth.
P363Wash contaminated clothing before reuse.
P390Absorb spillage to prevent material damage.
P391Collect spillage.
P405Store locked up.
P406Store in a corrosion-resistant/… container with a resistant inner liner.
P501Dispose of contents/container in accordance with local regulations.
P265Wash … thoroughly after handling.
P316Get emergency medical help immediately.
P317Get emergency medical help.
P352IF ON SKIN: Wash with plenty of water.
P340IF INHALED: Remove person to fresh air and keep comfortable for breathing.
P317Get emergency medical help.
P317If eye irritation persists: Get medical advice/attention. Get emergency medical help.
P364Take off contaminated clothing and wash it before reuse.
P233Store in a well-ventilated place. Keep container tightly closed.
P331Rinse mouth. Do NOT induce vomiting.
P354IF ON SKIN: Take off immediately all contaminated clothing. Rinse skin with water/shower.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

Trade & Regulatory

HS Code28261990
UN Number2923
ADR Class8
Packing GroupIII
Storage Class6.1D - Non-combustible acute toxic Cat.3 toxic hazardous materials or hazardous materials causing chronic effects
WGK (Germany)3