Diantimonpentasulfid
pentasulfide · c.i.77061 · ANTIMONY RED · Antimonic sulfide · antimonialsaffron · ANTIMONY(V) SULFIDE · Antimony persulfide · pentasulfideantimony
Identifikatoren & physikalische Daten
| CAS No. | 1315-04-4 |
|---|---|
| Summenformel | S5Sb2 |
| Durchschnittliche Molmasse | 403,855 g/mol |
| Monoisotopische Masse | 401,6679864 g/mol |
| SMILES | [S]=[Sb](=[S])[S][Sb](=[S])=[S] |
| InChIKey | PPKVREKQVQREQD-UHFFFAOYSA-N |
| PubChem CID | 16683083 |
| ChEBI | CHEBI:134733 |
| DTXSID | DTXSID8046583 |
| Lokaler Name | Diantimonpentasulfid |
Chemische & physikalische Eigenschaften
| Schmelzpunkt | 74-76°C (dec.) |
|---|---|
| Dichte | 4,12 g/cm3 |
| Löslichkeit | insoluble in H2Osoluble in acid solutions, alkaline solutionsinsoluble H2Osoluble HCl to evolve H2S [MER06] |
| Aggregatzustand | Powder |
| Farbe | Orange |
| Merck | 13,703 |
| CAS Datenbank | 1315-04-4(CAS DataBase Reference) |
| EPA chemische Informationen | Antimony sulfide (Sb2S5) (1315-04-4) |
Sicherheit & Vorschriften
| Wassergefährdungsklasse (WGK) | 2 |
|---|---|
| TSCA-Inventar-Status | TSCA listed |
| UN-Transportnummer | UN 3178 4.1/PG 2 |
| Zollcode | 2830901100 |
| RTECS-Nr. | CC6125000 |
| R-Sätze (R) | 11-51/53-20/22 |
| Toxizität | LD50 i.p. in rats: 150.0 mg Sb/100 g (Bradley, Fredrick) |
| Gefahrensymbole | F,N,Xn |
| Sicherheitshinweise (S) | 36/37/39-26-61 |
| Gefahrenklasse | 4.1 |
| Verpackungsgruppe | III |
Anwendungen & Verwendung
Verwenden
As pigment; vulcanizing and coloring rubber; manufacture of matches and fireworks.
Herstellung & Synthese
synthetische
The compound is made commercially by converting antimony trisulfide to tetrathioantimonate by boiling with sulfur in caustic soda solution:4 Sb2S3 + 8 S +18 NaOH → 5 Na3SbS4 + 3 NaSbO3 + 9 H2OThe sparingly soluble sodium antimonate is filtered out of the solution. The yellow-orange antimony pentasulfide precipitates out on treatment with hydrochloric acid.2 Na3SbS4 + 6 HCl → Sb2S5 + 6 NaCl + 3 H2SIt may also be prepared by the reaction of antimony pentachloride in HCl with hydrogen sulfide and removing any free sulfur by extraction with carbon disulfide:2 SbCl5 + 5 H2S → Sb2S5 + 10 HCl.