Description

Sodium Hexahydroxostannate is a specialized inorganic compound with the CAS number 12027-70-2, serving as a key precursor in advanced material synthesis. Its primary value lies in its ability to provide a soluble source of tin(IV) for the formation of uniform tin oxide coatings and other functional materials. This product is essential for manufacturers and R&D facilities in the electronics, glass, and ceramics industries seeking precise and reliable chemical intermediates.

Application

• Precursor for the deposition of transparent conductive oxides (TCOs) like fluorine-doped tin oxide (FTO) used in solar cells and flat-panel displays.
• Key raw material in the formulation of anti-static and electroconductive coatings for glass and plastics.
• Intermediate in the synthesis of catalysts for organic oxidation and esterification reactions.
• Used in the production of specialized ceramic glazes and pigments to achieve unique optical properties.
• Component in the manufacturing of gas sensors based on tin dioxide (SnO₂) semiconductors.
• Starting material for sol-gel processes to create nano-structured tin oxide films and powders.
• Used in research and development of novel battery materials and supercapacitors.

Basic Information

Product Name	Sodium Hexahydroxostannate
CAS No.	12027-70-2
Molecular Formula	Na2[Sn(OH)6] or Na2SnO3·3H2O
Molecular Weight	266.73 g/mol (anhydrous basis)
Synonyms	Sodium Stannate(IV), Hexahydroxy; Sodium Stannate Trihydrate; Disodium Hexahydroxostannate(IV); Stannic Sodium Oxide; Sodium Tin(IV) Oxide; Prepared Sodium Stannate; Tin Sodium Oxide (Na2SnO3)
EINECS	234-724-3

Quality Control

Our Sodium Hexahydroxostannate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure consistency and meets high-purity standards suitable for industrial and electronic applications. A Certificate of Analysis (COA) detailing assay, impurity profiles, and physical specifications is provided with every shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic nature, store in a cool, dry place at room temperature (15-25°C/59-77°F) with low humidity. Keep the container tightly sealed immediately after use to minimize exposure to atmospheric moisture, which can affect product quality and handling properties.

Specification

Item	Specification
Appearance	White crystalline powder or lumps
Identification (IR)	Conforms
Assay (as Na2SnO3·3H2O)	≥ 98.0 %
Tin (Sn) Content	≥ 42.0 %
Insoluble Matter	≤ 0.1 %
Chloride (Cl)	≤ 0.01 %
Sulfate (SO4)	≤ 0.02 %
Heavy Metals (as Pb)	≤ 10 ppm
Iron (Fe)	≤ 20 ppm

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