Description

Sodium Hexafluorostannate (IV) is a high-purity inorganic salt of tin and fluorine, widely recognized by its CAS number 16924-51-9. This compound serves as a critical source of hexafluorostannate ions, offering unique reactivity and stability for advanced industrial synthesis and surface treatment processes. It is an essential precursor and reagent for manufacturers and R&D facilities in the electronics, glass, and specialty chemical sectors seeking precise fluorination and tin-based chemistry.

Application

• Electroplating & Surface Finishing: As a key component in tin and tin-alloy electroplating baths for electronics components, providing a stable source of tin(IV) and fluoride ions.
• Glass & Ceramics Manufacturing: Used as a fluorinating agent and opacifier in the production of specialty glasses, enamels, and ceramic glazes.
• Chemical Synthesis: Acts as a versatile fluorination reagent and catalyst precursor in organic and inorganic synthesis, particularly for introducing fluorine or tin functional groups.
• Fluoride Salt Production: Serves as an intermediate in the preparation of other complex fluoride salts and materials for industrial use.
• Research & Development: Employed in academic and industrial R&D for developing new materials, including perovskites and other advanced inorganic compounds.

Basic Information

Product Name	Sodium Hexafluorostannate (IV)
CAS No.	16924-51-9
Molecular Formula	Na2SnF6
Molecular Weight	276.68 g/mol
Synonyms	Disodium Hexafluorostannate; Sodium Fluostannate; Sodium Hexafluorostannate(2-); Sodium Tin(IV) Fluoride; Stannate(2-), hexafluoro-, disodium; Disodium hexafluoro stannate(IV); Hexafluorostannate disodium salt
EINECS	240-981-9

Quality Control

Our Sodium Hexafluorostannate (IV) is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistent purity, composition, and performance. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profiles, and physical characteristics. Our quality commitment aligns with industrial chemical standards, and we support customer-specific quality agreements for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent caking and hydrolysis. Keep away from strong acids and strong bases.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (Na2SnF6)	≥ 98.0 %
Water Insoluble Matter	≤ 0.5 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO4)	≤ 0.1 %
Heavy Metals (as Pb)	≤ 0.005 %
Loss on Drying	≤ 1.0 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.