Names | |
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Other names
Antimony red
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Identifiers | |
3D model (JSmol)
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ChEBI | |
ChemSpider | |
ECHA InfoCard | 100.013.869 |
EC Number |
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PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
Sb2S5 | |
Molar mass | 403.82 g·mol−1 |
Appearance | Red powder |
Density | 4.12 g/cm 3 |
Melting point | 135 °C (275 °F; 408 K) (decomposes) |
insoluble | |
Solubility | soluble in HCl, alkalis, ammonium hydrosulfide |
Pharmacology | |
R05CA07 (WHO) | |
Hazards | |
GHS labelling: | |
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Warning | |
H228, H302, H332, H411 | |
P210, P240, P241, P261, P264, P270, P271, P273, P280, P301+P312, P304+P312, P304+P340, P312, P330, P370+P378, P391, P501 | |
Flash point | flammable |
NIOSH (US health exposure limits): | |
PEL (Permissible)
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TWA 0.5 mg/m3 (as Sb)[1] |
REL (Recommended)
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TWA 0.5 mg/m3 (as Sb)[1] |
Related compounds | |
Related compounds
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Antimony(III) sulfide |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Antimony pentasulfide is an inorganic compound of antimony and sulfur, also known as antimony red. It is a nonstoichiometric compound with a variable composition. Its structure is unknown.[2] Commercial samples are contaminated with sulfur, which may be removed by washing with carbon disulfide in a Soxhlet extractor.
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