ANTIMONY(III) IODIDE
Synonym(s):Antimony triiodide
- CAS NO.：7790-44-5
- Empirical Formula: I3Sb
- Molecular Weight: 502.47
- MDL number: MFCD00016322
- EINECS: 232-205-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-04-23 13:52:06
What is ANTIMONY(III) IODIDE?
Chemical properties
light brown powder
The Uses of ANTIMONY(III) IODIDE
Antimony(III) iodide is used as a dopant in the preparation of thermoelectric materials.
Preparation
It adds to ethers, aldehydes, and thiols. Antimony triiodide is prepared by reacting iodine with antimony or antimony sulfide in an organic solvent. The triiodide is used in medicine.
Purification Methods
It sublimes under vacuum as a red solid with an orange vapour. It hydrolyses to the yellow oxyiodide with H2O. [Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 614 1963.]
Properties of ANTIMONY(III) IODIDE
| Melting point: | 170 °C(lit.) |
| Boiling point: | 401 °C(lit.) |
| Density | 4.92 g/mL at 25 °C(lit.) |
| Flash point: | 420°C |
| solubility | Soluble in benzene, alcohol, acetone, CS2, HCl, KI, SnCl4, C2H7N. Insoluble in CHCl3, and CCl4.Soluble in benzene, alcohol, acetone, carbondisulfide, hydrochloric acid, potassium iodide, tinterachloride, dimethylamine. Slightly soluble in ethanol and acetone. Insoluble in chloroform and carbonterachloride. |
| form | Powder |
| Specific Gravity | 4.917 |
| color | red |
| Water Solubility | Decomposed by water to SbOI. |
| Sensitive | Moisture Sensitive |
| Merck | 14,710 |
| Exposure limits | ACGIH: TWA 0.5 mg/m3; TWA 0.01 ppm NIOSH: IDLH 50 mg/m3; TWA 0.5 mg/m3 |
| CAS DataBase Reference | 7790-44-5(CAS DataBase Reference) |
| EPA Substance Registry System | Stibine, triiodo- (7790-44-5) |
Safety information for ANTIMONY(III) IODIDE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for ANTIMONY(III) IODIDE
New Products
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