Description

Potassium Stannate Trihydrate is a versatile inorganic salt widely utilized as a critical tin source in various industrial processes. Its primary value lies in its ability to provide soluble tin in alkaline solutions, enabling uniform deposition and controlled chemical reactions. This compound is essential for manufacturers and R&D facilities in the electroplating, ceramics, and glass industries, where precise tin chemistry is required.

Application

• Electroplating: A key component in alkaline tin and tin-alloy plating baths for coating steel, aluminum, and other metals to provide corrosion resistance, solderability, and a bright finish.
• Ceramic & Glass Manufacturing: Acts as a precursor for tin oxide coatings, imparting electrical conductivity, infrared reflectivity, and increased durability to glass and ceramic surfaces.
• Catalyst Synthesis: Serves as a starting material or dopant in the preparation of heterogeneous catalysts for organic synthesis and oxidation reactions.
• Textile Treatment: Used in flame-retardant and weight-increasing treatments for fabrics and textiles.
• Laboratory Reagent: Employed as a standardized analytical reagent and a precursor in chemical research for synthesizing other tin-containing compounds.
• Pigment & Dye Intermediate: Functions in the production of certain colored pigments and as a mordant in dyeing processes.

Basic Information

Product Name	Potassium Stannate Trihydrate
CAS No.	12125-03-0
Molecular Formula	K2SnO3 · 3H2O
Molecular Weight	298.95 g/mol
Synonyms	Dipotassium Tin Trioxide Trihydrate; Stannate (SnO32-), Dipotassium, Trihydrate; Potassium Tin Oxide (K2SnO3) Trihydrate; Tin Potassium Oxide Trihydrate; Dipotassium Trioxostannate Trihydrate; Alkaline Tin Salt
EINECS	235-255-9

Quality Control

Our Potassium Stannate Trihydrate is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your technical requirements.

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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture and CO2, which can lead to caking and degradation.

Specification

Item	Specification
Appearance	White crystalline powder
Identification (IR)	Conforms
Assay (as K2SnO3·3H2O)	≥ 98.0 %
Tin (Sn) Content	≥ 39.0 %
Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.05 %
Sulfate (SO4)	≤ 0.05 %
Heavy Metals (as Pb)	≤ 0.01 %

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