Acids & Salts Available — Bulk Only

Stannous Fluoride (Tin(II) Fluoride)

CAS 7783-47-3 · Formula F2Sn · MW 156.71 g/mol

An inorganic tin(II) fluoride supplied as the fluoride active for dentifrice and oral-care formulations. Industry references record its principal commercial use as an ingredient in toothpaste and other dental and oral-care preparations.

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UN Number
UN 3288
Hazard Class
Class 6.1
HS Code
2826.19
At a Glance
Material Family
Acids & Salts
Record Type
Pure compound
Primary Role
Biocidal Action
Functional Roles
STANNOUS FLUORIDE
ANTIPLAQUEORAL CARE
Industries Served
Applications & Use Cases
  • Dentifrice ingredient: Used as the fluoride component in toothpaste formulations.
  • Oral-care formulations: Incorporated into mouthwashes and related oral-care products.
  • Fluoride source: Supplies tin(II) fluoride for downstream formulation.
Physical Properties
Melting Point
215 °C
Boiling Point
567 °C at 760 mmHg
Density
2.79
Solubility
30-39% in water at 20 °C
pH
2.8-3.5 (0.4% AQ SOLN)
Safety & Handling
Full SDS available on request

A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.

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DOT / UN Transport Classification
DOT hazard class 6.1 placard
UN / DOT NumberUN 3288
Hazard Class / DivisionClass 6.1
Proper Shipping NameToxic solid, inorganic, n.o.s.

Transport classification per the UN Model Regulations / 49 CFR 172.101 Hazardous Materials Table. Confirm against the grade-specific SDS (Section 14) before shipping.

HS / Tariff Classification
Harmonized System (HS) Code — 6-digit international heading
2826 . 19
Chapter 28
Inorganic chemicals; compounds of precious metals and rare-earth metals
Heading 28.26
Internationally harmonized (WCO HS)
Subheading 2826.19
6-digit international code — national tariff line adds further digits
Chemical Identity
CAS Number
7783-47-3
Molecular Formula
F2Sn
Molecular Weight
156.71 g/mol
IUPAC Name
difluorotin
INCI Name
STANNOUS FLUORIDE
PubChem CID
InChI Key
ANOBYBYXJXCGBS-UHFFFAOYSA-L
Synonyms & Trade Names
STANNOUS FLUORIDE Tin difluoride Tin bifluoride Tin Fluoride (SnF2) Easygel Stancare Stanide Crest Stop Iradicar SnF2 Iradicav SnF2 King's Gel-Tin Cap-Tin Mouthrinse Stop Home Treatment Iradicar Stannous Fluoride Stannous fluoride (SnF2) Stannous fluoride (USP)
Full Description

Stannous fluoride (tin(II) fluoride, CAS 7783-47-3) is an inorganic tin fluoride salt. Industry references record its principal commercial use as an ingredient in toothpaste and other dental and oral-care preparations.

Frequently Asked Questions

What is stannous fluoride used for?

Stannous fluoride (tin(II) fluoride, CAS 7783-47-3) is used principally as the fluoride component in toothpaste and other dental and oral-care preparations, and as a tin(II) fluoride source for downstream formulation. RawSource supplies USP-grade material as a raw ingredient to oral-care manufacturers. Finished-product claims are the formulator's responsibility.

What does USP grade mean for stannous fluoride?

USP grade indicates the material conforms to the United States Pharmacopeia monograph specifications for identity, assay, and purity. This is the grade typically required for dentifrice and oral-care formulation. Conformance is documented on the Certificate of Analysis for each lot.

What is the formula and CAS number for stannous fluoride?

Stannous fluoride is SnF2 (formula F2Sn), CAS 7783-47-3. It is an inorganic tin(II) fluoride salt. For import it classifies under HS 2826.19, fluorides: other.

How does stannous fluoride ship under DOT?

Stannous fluoride is assigned UN 2811 (toxic solid, organic, n.o.s. / appropriate inorganic toxic-solid entry). RawSource ships it with the required hazard documentation; consult the SDS for the full transport classification, packing group, and labeling before booking freight.

How is bulk stannous fluoride USP packaged?

RawSource supplies USP-grade stannous fluoride in industrial packaging suitable for the powder, including drums, for oral-care manufacturers. MOQ and lead time depend on volume and current sourcing. Request a bulk quote; CoA and SDS are provided with each shipment.

Disclaimer. Information on this page — including properties, identifiers, hazard, transport (DOT/UN) and tariff (HS) classifications, and applications — is provided for general reference and is compiled from authoritative public sources (e.g. PubChem/ECHA, 49 CFR 172.101, the Harmonized Tariff Schedule). Values are typical and are not a guaranteed specification; the Certificate of Analysis (CoA) for the lot purchased governs. Products are sold for industrial and professional use only. Nothing here is a medical, health, or efficacy claim or advice. Always consult the current Safety Data Sheet (SDS) before handling, storage, transport or disposal, and confirm regulatory status, classification and suitability for your application and jurisdiction. Hazard, transport and tariff classifications must be verified for your specific shipment. RawSource makes no warranty, express or implied, and assumes no liability for use of this information. Trademarks. Third-party trademarks and brand names are the property of their respective owners; any reference is nominative — used only to identify a comparable product — and does not imply affiliation with, sponsorship by, or endorsement by the trademark owner.