Antimony pentasulfide

Antimony pentasulfide
Names
	Other names Antimony red
Identifiers
CAS Number	1315-04-4 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:134733;
ChemSpider	17615643 ;
ECHA InfoCard	100.013.869
EC Number	215-255-5;
PubChem CID	16683083;
UNII	1433F1I86N ;
CompTox Dashboard (EPA)	DTXSID8046583;
	InChI InChI=1S/5S.2Sb Key: PPKVREKQVQREQD-UHFFFAOYSA-N ;
	SMILES S=[Sb](=S)S[Sb](=S)=S;
Properties
Chemical formula	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)
Solubility in water	insoluble
Solubility	soluble in HCl, alkalis, ammonium hydrosulfide
Pharmacology
ATC code	R05CA07 (WHO)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H228, H302, H332, H411
Precautionary statements	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)	TWA 0.5 mg/m3 (as Sb)
REL (Recommended)	TWA 0.5 mg/m3 (as Sb)
Related compounds
Related compounds	Antimony(III) sulfide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

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. Commercial samples are contaminated with sulfur, which may be removed by washing with carbon disulfide in a Soxhlet extractor.

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