Functional Roles
Industries Served
Physical Properties
melting_point
1211 u00b0F (NTP, 1992)
boiling_point
2822 u00b0F at 760 mmHg (sublimes); 1598 u00b0F at 210 mmHg (NTP, 1992)
density
5.2 at 77 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
less than 1 mg/mL at 68 u00b0F (NTP, 1992)
vapor_pressure
1 mmHg at 1065 u00b0F (NTP, 1992)
flash_point
Not Applicable. Not flammable. (USCG, 1999)
GHS / SDS Safety
Warning
Environmental Hazard
Irritant
Health Hazard
- H351: Suspected of causing cancer [Warning Carcinogenicity]
- H373 (10.3%): May causes damage to organs through prolonged or repeated exposure [Warning Specific target organ toxicity, repeated exposure]
- H350: May cause cancer [Danger Carcinogenicity]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H411: Toxic to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- Not Classified
- H402: Harmful to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H401: Toxic to aquatic life [Hazardous to the aquatic environment, acute hazard]
- H303: May be harmful if swallowed [Warning Acute toxicity, oral]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H360: May damage fertility or the unborn child [Danger Reproductive toxicity]
- H351 (> 99.9%): Suspected of causing cancer [Warning Carcinogenicity]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H320: Causes eye irritation [Warning Serious eye damage/eye irritation]
- H371: May cause damage to organs [Warning Specific target organ toxicity, single exposure]
Chemical Identity
| CAS Number | 1309-64-4 |
| IUPAC Name | bis(antimony(3+));tris(oxygen(2-)) |
| InChI Key | GHPGOEFPKIHBNM-UHFFFAOYSA-N |
| PubChem CID | 14794 |
Synonyms & Trade Names
Full Description
Antimony trioxide is a white, odorless crystalline powder primarily used as a flame retardant synergist and opacifying agent. It is obtained either by