Description

Tin(IV) Oxide (Sn4O4) is a high-purity inorganic compound, also known by its CAS registry number 12534-33-7. This material serves as a critical precursor and functional additive in advanced material synthesis and surface engineering. It is essential for manufacturers and R&D facilities in the electronics, catalysis, and specialty glass industries seeking reliable, high-quality inorganic reagents.

Application

• Catalyst and Catalyst Support: Used in heterogeneous catalysis for oxidation reactions and as a support material for other catalytic agents.
• Electronic Ceramics and Varistors: A key component in the formulation of semiconducting ceramics for voltage-dependent resistors (varistors) and other electronic devices.
• Optical and Specialty Glass: Acts as a polishing agent for glass and optical components, and as an additive to modify the refractive index or electrical properties of specialty glasses.
• Gas Sensors: Employed as a sensitive layer in semiconductor-based gas sensors for detecting reducing or oxidizing gases.
• Antistatic and Conductive Coatings: Provides conductive properties when used in thin-film coatings for displays and transparent electrodes.
• Ceramic Pigments and Glazes: Imparts specific colors and properties in ceramic glazes and inorganic pigments.
• Research & Development: Serves as a starting material for synthesizing other tin-based compounds and nanomaterials in academic and industrial R&D.

Basic Information

Product Name	Tin(IV) Oxide
CAS No.	12534-33-7
Molecular Formula	O4Sn4
Molecular Weight	602.31 g/mol
Synonyms	Stannic Oxide; Tin Dioxide; Tin Peroxide; Cassiterite; Flowers of Tin; Tin(IV) Oxide, Puratronic; SnO2; Tin Oxide (SnO2)
EINECS	235-718-4

Quality Control

Our Tin(IV) Oxide is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive analytical data, including purity assay and trace metal analysis, to meet the exacting standards of advanced material applications. A Certificate of Analysis (COA) is supplied with each shipment, detailing all relevant specifications.

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 away from incompatible materials such as strong acids and strong reducing agents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (XRD)	Conforms to SnO2 structure
Assay (SnO2 basis)	≥ 99.0%
Particle Size (D50)	Contact for details
Loss on Drying	≤ 1.0 %
Trace Metals (ICP-MS)	Contact for details

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