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| CAS No.: | 1315-04-4 |
|---|---|
| Name: | Antimony pentasulfide |
| Molecular Structure: | |
|
|
|
| Formula: | S5Sb2 |
| Molecular Weight: | 153.816 |
| Synonyms: | Antimony sulfide (Sb2S5);Antimony Red;Diantimony pentasulphide;Antimony sulfide golden;Antimony sulfide;Antimonial saffron;Golden antimony sulfide;Antimonic sulfide;C.I. 77061; |
| EINECS: | 215-255-5 |
| Density: | 4.12 g/cm3 |
| Melting Point: | 74-76°C (dec.) |
| Solubility: | insoluble H2O; soluble HCl to evolve H2S [MER06] |
| Appearance: | orange powder |
| Hazard Symbols: |
 F
|
| Risk Codes: | 11 |
| Safety: | 36/37/39-26 |
| Transport Information: | UN 3178 4.1/PG 2 |
| PSA: | 153.66000 |
| LogP: | 3.24100 |
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Chemistry
IUPAC Name: [bis(sulfanylidene)-λ5-stibanyl]sulfanyl-bis(sulfanylidene)-λ5-stibane
Molecular Weight: 403.845 g/mol
Molecular Formula: S5Sb2
Melting point: 74-76°C
Density: 4.12 g/cm3
Merck: 13.703
EINECS: 215-255-5
Exact Mass: 403.668387
MonoIsotopic Mass: 401.667989
Heavy Atom Count: 7
Complexity: 124
Canonical SMILES: S=[Sb](=S)S[Sb](=S)=S
InChI: InChI=1S/5S.2Sb
InChIKey: PPKVREKQVQREQD-UHFFFAOYSA-N
Synonyms of Antimony pentasulfide (CAS NO.1315-04-4) : Antimonialsaffron ; Antimonysulfide(Sb2S5) ; Antimonysulfidegolden ; c.i.77061 ; Goldenantimonysulfide ; Pentasulfide ; Pentasulfideantimony
Uses
Antimony pentasulfide (CAS NO.1315-04-4) is used for the preparation of pigments and also used as a rubber vulcanization agent.
Toxicity Data With Reference
| 1. | orl-rat LD:>10 g/kg | GISAAA Gigiena i Sanitariya 54 (4)(1989),68. | ||
| 2. | ipr-rat LD50:1500 mg/kg | EQSFAP Environmental Quality and Safety. 1 (1975),1. | ||
| 3. | ipr-mus LD50:458 mg/kg | 85GMAT Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure Izmerov, N.F., et al.,Moscow, USSR.: Centre of International Projects, GKNT,1982,23. |
Consensus Reports
Reported in EPA TSCA Inventory. Antimony and its compounds are on the Community Right-To-Know List.
Safety Profile
Moderately toxic by intraperitoneal route. See also ANTIMONY COMPOUNDS and SULFIDES. Flammable when exposed to heat or by chemical reaction with powerful oxidizers. Use water to fight fire. Moderately explosive when shocked or by spontaneous chemical reaction in contact with powerful oxidizers. When heated to decomposition or on contact with acid or acid fumes it emits highly toxic fumes of oxides of sulfur and antimony. Incompatible with water or steam to produce toxic and flammable vapors and with oxidizers, e.g., Ag(ClO3)2, HClO3, ClO2, Mg(ClO3)2, TlO, Zn(ClO3)2.
Hazard Codes: F
Risk Statements: 11
R11: Highly flammable
Safety Statements: 36/37/39-26
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
RIDADR: UN 3178 4.1/PG 2
WGK Germany: 2
RTECS: CC6125000
HazardClass: 4.1
PackingGroup: III
Standards and Recommendations
OSHA PEL: TWA 0.5 mg(Sb)/m3
ACGIH TLV: TWA 0.5 mg(Sb)/m3
NIOSH REL: (Antimony) TWA 0.5 mg(Sb)/m3
Specification
Antimony pentasulfide (CAS NO.1315-04-4) is moderate toxic. It may explosive with strong oxidants spontaneously if vibrated. Antimony pentasulfide (CAS NO.1315-04-4) will burn by the presence of open flame, high temperature and oxidizer. It will produce toxic sulfur oxides and antimony compounds smoke when buring. It also will decomposit toxic gases of nitrogen oxides in the wet environment.