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HomeProduct name listTin(II) fluoride

Tin(II) fluoride

Synonym(s):SNF2;Stannous fluoride;BRM;Difluorostannylene;MRD16

  • CAS NO.:7783-47-3
  • Empirical Formula: F2Sn
  • Molecular Weight: 156.71
  • MDL number: MFCD00042540
  • EINECS: 231-999-3
  • SAFETY DATA SHEET (SDS)
  • Update Date: 2024-10-25 16:21:11
Tin(II) fluoride Structural

What is Tin(II) fluoride?

Absorption

Tin is retained in the demineralized organic matrix to some extent, diffuses through the phosphorylated non-collagenous proteins in the dentine called phosphophoryn and accumulates in the underlying mineralized tissue.

Toxicity

The oral LD50 value in rats is 360mg/kg and the dermal LD50 value is >2000mg/kg. Repeated or prolonged dermal contact can cause irritant symptoms such as reddening of the skin, blisters, or dermatitis.

Chemical properties

white crystals or powder

Chemical properties

Stannous fluoride is a white crystalline solid with a bitter, salty taste.

The Uses of Tin(II) fluoride

Tin(II) fluoride is used in the prevention of dental caries. It is an active ingredient in toothpastes.

The Uses of Tin(II) fluoride

Dental caries prophylactic.

The Uses of Tin(II) fluoride

Stannous fluoride (SnF2) is used as a toothpaste additive to help prevent tooth decay.

Background

Stannous Fluoride, or Tn(II) Fluoride, is a compound commonly used in toothpastes for the prevention of gingivitis, dental infections, cavities, and to relieve dental hypersensitivity. Although similar in function and activity to Sodium Fluoride (NaF), the conventionally added ingredient in toothpastes, stannous fluoride has been shown to be more effective at stopping and reversing dental lesions . It manages and prevents dental caries and gingivitis by promoting enamel mineralization , reducing gingival inflammation and bleeding through its potential broad-spectrum antibiotic effect and modulation of the microbial composition of the dental biofilm . It is an FDA-approved over-the-counter product.

Indications

Indicated for use to relieve dental hypersensitivity, increase enamel production, prevent gingivitis and cavities, and control periodontal infections.

Definition

ChEBI: Stannous fluoride is an inorganic fluoride salt.

General Description

White crystalline solid. Sinks and mixes with water.

Air & Water Reactions

Water soluble.

Reactivity Profile

Tin(II) fluoride, a strong reducing agent, is incompatible with oxidizers. Avoid contact with acids - HF fumes may be produced [USCG, 1999].

Hazard

Toxic by ingestion, strong irritant to skin and tissue.

Health Hazard

EYES: Severe irritation - corrosive, irreversible. SKIN: Corrosive on abraded skin, no effect on intact skin.

Flammability and Explosibility

Not classified

Pharmacokinetics

Stannous fluoride mediates both bactericidal and bacteriostatic properties and provides an anti-erosive action on tooth enamel.

Safety Profile

Poison by ingestion and intraperitoneal routes. Questionable carcinogen. Mutation data reported. When heated to decomposition it emits toxic fumes of F-. See also TIN COMPOUNDS.

Potential Exposure

Stannous fluoride is used in dental caries (tooth decay); as an ingredient of cavity-preventing toothpastes.

Metabolism

Not Available

Shipping

UN2811 Toxic solids, organic, n.o.s., Hazard Class: 6.1; Labels: 6.1-Poisonous materials, Technical Name Required. UN2923 Corrosive solids, toxic, n.o.s., Hazard class: 8; Labels: 8-Corrosive material, 6.1Poisonous material, Technical Name Required

Incompatibilities

A strong reducing agent. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Reacts with acids, forming hydrogen fluoride fumes. Reacts violently with chlorine and metal nitrates. Reacts with metals releasing flammable hydrogen gas.

Properties of Tin(II) fluoride

Melting point: 215°C
Boiling point: 850°C
Density  4.57 g/mL at 25 °C (lit.)
storage temp.  -20°C
solubility  soluble in H2O; insoluble in ethanol, ethyl ether,chloroform
form  Powder, Crystals or Crystalline Powder
color  White to off-white
Specific Gravity 4.57
Water Solubility  Soluble in potassium hydroxide and potassium fluoride. Insoluble in water, ethanol, ether and chloroform.
Sensitive  Air & Moisture Sensitive
Merck  14,8784
Exposure limits ACGIH: TWA 2 mg/m3; TWA 2.5 mg/m3
NIOSH: IDLH 100 mg/m3; IDLH 250 mg/m3; TWA 2 mg/m3
Stability: Stable. Non-flammable. Avoid contact with water or oxidizing agents. Moisture-sensitive.
CAS DataBase Reference 7783-47-3(CAS DataBase Reference)
NIST Chemistry Reference Tin difluoride(7783-47-3)
EPA Substance Registry System Tin fluoride (SnF2) (7783-47-3)

Safety information for Tin(II) fluoride

Signal word Danger
Pictogram(s)
ghs
Corrosion
Corrosives
GHS05
ghs
Skull and Crossbones
Acute Toxicity
GHS06
ghs
Environment
GHS09
GHS Hazard Statements H290:Corrosive to Metals
H301:Acute toxicity,oral
H315:Skin corrosion/irritation
H318:Serious eye damage/eye irritation
H411:Hazardous to the aquatic environment, long-term hazard
Precautionary Statement Codes P234:Keep only in original container.
P273:Avoid release to the environment.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P302+P352:IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Computed Descriptors for Tin(II) fluoride

InChIKey ANOBYBYXJXCGBS-UHFFFAOYSA-L

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