Description

Stannic Oxide CAS NO 18282-10-5 is a high-purity inorganic compound, also known as tin(IV) oxide. This material is valued for its exceptional chemical stability, high refractive index, and electrical properties, making it a critical component in advanced industrial processes. It is essential for manufacturers in the ceramics, electronics, catalyst, and glass industries seeking reliable performance and consistent quality.

Application

• Ceramic Glazes and Opacifiers: Imparts brilliant white color, opacity, and durability to ceramic tiles, sanitaryware, and artware.
• Electroceramics and Varistors: A key raw material for formulating zinc oxide varistors, providing non-linear electrical resistance for surge protection devices.
• Catalyst and Catalyst Support: Used in oxidation and dehydrogenation reactions, as well as a support material for precious metal catalysts in chemical synthesis.
• Specialty Glass and Optical Coatings: Enhances the refractive index, abrasion resistance, and infrared reflectivity of glass and thin-film coatings.
• Polishing Compounds: Serves as a fine abrasive for polishing marble, granite, and optical glass to a high finish.
• Gas Sensors: Utilized as a sensing material in semiconductor-type gas detectors due to its sensitivity to certain gases.
• Pigment Intermediate: Acts as a precursor in the manufacture of certain yellow and other colored inorganic pigments.

Basic Information

Product Name	Stannic Oxide
CAS No.	18282-10-5
Molecular Formula	SnO2
Molecular Weight	150.71 g/mol
Synonyms	Tin(IV) Oxide; Tin Dioxide; Stannic Dioxide; Cassiterite; Flowers of Tin; Tin Peroxide; White Tin Oxide; Stannic Anhydride
EINECS	242-159-0

Quality Control

Our Stannic Oxide is produced under a stringent quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications for purity, particle size, and reactivity. A Certificate of Analysis (COA) detailing assay and impurity profiles is provided with each 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, well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed to minimize exposure to atmospheric moisture and contaminants. Separate from strong acids and strong reducing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (SnO2)	≥ 99.0%
Particle Size (D50)	1.0 - 5.0 µm (or as specified)
Loss on Drying	≤ 0.5%
Chloride (Cl)	≤ 0.01%
Sulfate (SO4)	≤ 0.01%
Iron (Fe)	≤ 0.005%
Lead (Pb)	≤ 0.001%

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