Tin Oxide
Tin Monoxide
- CAS
- 18282-10-5
- EC
- 242-159-0
- Sectors
- Electronics & Solar PV, Home Care & Industrial Cleaning
Tin Oxide (CAS 18282-10-5) is an inorganic tin(IV) oxide compound that appears as a white to off-white crystalline nanopowder, valued for high chemical stability, hardness and corrosion resistance and used in ceramics, glass coatings, electronic components, gas sensors and conductive coatings for solar cells.
Typical Properties
| Molecular formula | O2Sn |
|---|---|
| Molecular weight | 150.71 g/mol |
| Appearance | white or off-white powder |
| Form | nanopowder |
| Color | White to slightly gray |
| Melting point | 1630 °C |
| Boiling point | 1800 °C |
| Density | 6.95 g/cm³ |
| Water solubility | INSOLUBLE |
| Flash point | 1800-1900°C |
| pH | 4-5 (50g/l, H2O, 20°C)(slurry) |
| GHS signal word | Danger · Irritant / harmful, Health hazard |
| Grades available | Electronic Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Tin Oxide
Applications
Used in ceramics, glass coatings, and electronic components as a polishing and opacifying agent. In catalysts, it functions as a carrier for precious metals. Also applied in gas sensors and conductive coatings for solar cells.
Safety & Risks
Non-toxic and chemically stable. Fine dust may irritate the respiratory system; use dust control and protective masks.
Packaging
Supplied in 25 kg fiber drums or multi-layer paper bags. Store cool, dry, and sealed to prevent contamination.