Description

Metastannic Acid CAS NO 13472-47-4 is an inorganic tin compound, typically a white or off-white amorphous powder. This specialized chemical serves as a crucial precursor and intermediate in the synthesis of various tin-based materials and catalysts. It is essential for manufacturers and R&D facilities in the ceramics, electronics, and specialty chemical industries seeking high-purity tin sources for advanced material development.

Application

• Ceramic Glaze and Pigment Production: Acts as an opacifier and color stabilizer in specialty glazes and ceramic pigments.
• Catalyst Synthesis: Serves as a key precursor in the manufacture of heterogeneous catalysts for organic synthesis and petrochemical processes.
• Electrode and Conductive Coating Materials: Used in the research and development of tin oxide-based conductive films and electrode materials for electronics.
• Glass Manufacturing: Employed as an additive to modify the refractive index and chemical durability of specialty optical glasses.
• Fire Retardant Synergist: Functions as a component in certain flame-retardant formulations for polymers and textiles.
• Laboratory Reagent: Utilized as a high-purity analytical reagent and intermediate in inorganic synthesis within research laboratories.

Basic Information

Product Name	Metastannic Acid
CAS No.	13472-47-4
Molecular Formula	H2SnO3
Molecular Weight	168.71 g/mol
Synonyms	Stannic Acid, Meta; Acid Stannic, Meta; Polymeric Stannic Acid; α-Stannic Acid; Tin(IV) Acid; Stannic Hydroxide Oxide; Orthostannic Acid (dehydrated form); HSDB 745
EINECS	236-724-7

Quality Control

Our Metastannic Acid is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for industrial and research applications. A detailed Certificate of Analysis (COA) documenting purity, physical characteristics, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture and carbon dioxide.

Specification

Item	Specification
Appearance	White to off-white amorphous powder
Identification (IR)	Conforms to standard
Assay (as SnO2)	≥ 85.0 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO4)	≤ 0.5 %
Iron (Fe)	≤ 0.05 %
Lead (Pb)	≤ 0.01 %
Loss on Drying	≤ 15.0 %

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