Overview
Tin Oxide (CAS 18282-10-5 ), also known as Stannic oxide, is an inorganic compound used industrially as a catalyst, conductive coating material, and functional ceramic additive.
It is a core material in electronics manufacturing and surface treatment processes where controlled electrical conductivity or catalytic activity is required for high-performance industrial applications.
In electronics, it is used to produce transparent conductive coatings on glass and display substrates, enabling touch screens, solar panels, and low-emissivity window films for modern buildings.
As a catalyst or catalyst precursor, it supports oxidation reactions in industrial gas sensing and exhaust treatment systems. It plays a vital role in environmental monitoring and emission control.
In home care and industrial cleaning formulations, it functions as a mild abrasive and polishing agent in metal and glass finishing compounds. It provides a smooth surface finish without damage.
Ceramic and glass manufacturers incorporate it to achieve opacity, surface hardness, and specific refractive properties in glazes and specialty optical glass. It is essential for high-quality ceramics.
This material is supplied as a fine white powder in varying particle size distributions suited to coating, ceramic, or catalytic applications. Standard grades include technical and high-purity specifications.
Electronic and catalyst grades are available for more demanding processing requirements. Packaging typically ranges from kilogram-scale bags to bulk quantities depending on the specific application volume.
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Physical Properties
| Melting Point | 1630 °C |
| Boiling Point | 1800 °C |
| Density | 6.95 g/cm³ |
| Flash Point | 1800-1900°C |
| Appearance | white or off-white powder |
| Color | White to slightly gray |
| Form | nanopowder |
| Water Solubility | INSOLUBLE |
| Refractive Index | 1.9968 |
| pH | 4-5 (50g/l, H2O, 20℃)(slurry) |
Safety & Handling
Warning GHS07 GHS08 Hazard Statements H335 May cause respiratory irritation H372 Causes damage to organs through prolonged or repeated exposure H413 May cause long lasting harmful effects to aquatic life Precautionary Statements P260 Do not breathe dust/fume/gas/mist/vapours/spray. P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash … thoroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P319 Get medical advice/attention if you feel unwell. P405 Store locked up. P501 Dispose of contents/container in accordance with local regulations. P304+P340 IF INHALED: Remove person to fresh air and keep comfortable for breathing. P403+P233 Store in a well-ventilated place. Keep container tightly closed.
Trade & Regulatory
| HS Code | 2825 90 85 |
| UN Number | 1993 |
| Storage Class | 11 - Combustible Solids |
Other Names
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Chemical Properties
- CAS Number
- 18282-10-5
- EC Number
- 242-159-0
- Mol. Weight
- 150.71
- HS Code
- 2825 90 85
- Category
- Salts & Minerals