Triphenylantimony
Synonym(s):Antimony(III)triphenyl;Triphenylantimony;Triphenylstibine;Triphenylstibine, Antimony triphenyl
- CAS NO.：603-36-1
- Empirical Formula: C18H15Sb
- Molecular Weight: 353.07
- MDL number: MFCD00003000
- EINECS: 210-037-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 05:53:06
What is Triphenylantimony?
Chemical properties
off-white powder
The Uses of Triphenylantimony
Stibonium salts, cocatalyst in converting trienes to aromatics and hydroaromatics, react with nitricsulfuric acid to give trinitro derivatives, polymerization inhibitor, lubricating-oil additive.
General Description
Atomic number of base material: 51 Antimony
Safety Profile
Poison by ingestion and intraperitoneal routes. Flammable when exposed to heat or flame. Can react vigorously with oxidizing materials. To fight fire, use water, foam, mist. When heated to decomposition it emits toxic fumes of Sb. See also ANTIMONY COMPOUNDS.
Purification Methods
Recrystallise Ph3Sb from acetonitrile [Hayes et al. J Am Chem Soc 107 1346 1985]. [Beilstein 16 H 891, 16 IV 1198.]
Properties of Triphenylantimony
| Melting point: | 52-54 °C(lit.) |
| Boiling point: | 377 °C(lit.) |
| Density | 1,434 g/cm3 |
| refractive index | 1.6948 |
| Flash point: | >230 °F |
| storage temp. | Store below +30°C. |
| solubility | <0.001g/l |
| form | crystal |
| Specific Gravity | 1.4343 |
| color | off-white |
| Water Solubility | INSOLUBLE |
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions |
| BRN | 3608108 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 603-36-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Stibine, triphenyl-(603-36-1) |
| EPA Substance Registry System | Stibine, triphenyl- (603-36-1) |
Safety information for Triphenylantimony
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Environment GHS09 |
| GHS Hazard Statements |
H301:Acute toxicity,oral H332:Acute toxicity,inhalation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P273:Avoid release to the environment. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
Computed Descriptors for Triphenylantimony
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