Description

Ammonium Hexafluorostannate is a specialized inorganic salt primarily valued for its role as a source of hexafluorostannate ions. This compound is critical in advanced manufacturing processes where precise tin and fluoride chemistry is required. It is essential for industries involved in surface treatment, electronics, and specialized chemical synthesis, where consistent quality and reliable supply are paramount for production success.

Application

• Electroplating & Surface Finishing: Used as a key component in tin and tin-alloy electroplating baths for electronics and corrosion-resistant coatings.
• Glass & Ceramics Manufacturing: Acts as a matting agent and opacifier, and is used in the production of conductive coatings on glass surfaces.
• Chemical Synthesis: Serves as a fluorinating agent and a precursor for other organotin and inorganic tin compounds.
• Catalyst Production: Employed in the formulation of catalysts for organic reactions, including polymerization and fluorination processes.
• Optical & Electronic Materials: Used in the fabrication of optical fibers and as a dopant in semiconductor materials.
• Metallurgy: Applied in flux formulations for soldering and brazing to improve flow and joint quality.

Basic Information

Product Name	Ammonium Hexafluorostannate
CAS No.	16919-24-7
Molecular Formula	(NH4)2SnF6
Molecular Weight	286.78 g/mol
Synonyms	Diammonium Hexafluorostannate; Ammonium Hexafluorostannate(IV); Ammonium Fluostannate; Ammonium Fluorostannate; (NH4)2[SnF6]; Diammonium Tin Hexafluoride; EINECS 240-973-3
EINECS No.	240-973-3

Quality Control

Our Ammonium Hexafluorostannate is manufactured under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot is analyzed against rigorous internal specifications, which typically include assay, impurity profiling, and physical characterization. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after each use to prevent degradation. Keep away from strong alkalis and incompatible materials.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (as (NH4)2SnF6)	≥ 98.0 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.01 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 10 ppm
Loss on Drying	≤ 0.5 %

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