| Formula / Notation | O3Sb2 |
|---|---|
| CAS Number | 1309-64-4 |
| Molecular Weight | 291.52 |
| Melting Point | 1211 °F (NTP, 1992) |
| Boiling Point | 2822 °F at 760 mmHg (sublimes); 1598 °F at 210 mmHg (NTP, 1992) |
| Density | 5.2 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Appearance | Antimony trioxide is a white crystalline solid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment... |
| Also Known As | bis(antimony(3+));tris(oxygen(2-)); Diantimony trioxide; 1309-64-4; Antimonious oxide; Antimony sesquioxide; Exitelite; Timonox; Twinkling star; Antimony White; Thermoguard B |
| Category | Inorganic Compounds |
What is Antimony trioxide?
Antimony Oxide (Antimony trioxide) can cause cancer according to The World Health Organization's International Agency for Research on Cancer (IARC).
Formula & Notation
IUPAC Name: bis(antimony(3+));tris(oxygen(2-))
Other Names / Synonyms: bis(antimony(3+));tris(oxygen(2-)); Diantimony trioxide; 1309-64-4; Antimonious oxide; Antimony sesquioxide; Exitelite; Timonox; Twinkling star; Antimony White; Thermoguard B
Properties & Characteristics
Physical Data
| Property | Value |
|---|---|
| Melting Point | 1211 °F (NTP, 1992) |
| Boiling Point | 2822 °F at 760 mmHg (sublimes); 1598 °F at 210 mmHg (NTP, 1992) |
| Density | 5.2 at 77 °F (USCG, 1999) - Denser than water; will sink |
| Molecular Weight | 291.52 |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Appearance | Antimony trioxide is a white crystalline solid. It is insoluble in water. The primary hazard is the threat to the environment. Immediate steps should be taken to limit its spread to the environment... |
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
Antimony Oxide (Antimony trioxide) can cause cancer according to The World Health Organization's International Agency for Research on Cancer (IARC).
Used in industrial processes, materials science, semiconductor manufacture, ceramics, or as a catalyst.
May be corrosive, toxic, or an oxidising agent. Handle in well-ventilated area. Consult SDS before use.
The formula or notation for Antimony trioxide is: O3Sb2