Arsenic sulfide may refer to:
*
Arsenic trisulfide
Arsenic trisulfide is the inorganic compound with the formula . It is a dark yellow solid that is insoluble in water. It also occurs as the mineral orpiment (Latin: auripigmentum), which has been used as a pigment called King's yellow. It is produc ...
, As
2S
3, the mineral orpiment
* Arsenic pentasulfide, As
2S
5, similar structure to
phosphorus pentasulfide
Phosphorus pentasulfide is the inorganic compound with the formula (monomer) or (dimer). This yellow solid is the one of two phosphorus sulfides of commercial value. Samples often appear greenish-gray due to impurities. It is soluble in carbon d ...
(β-P
2S
5)
*
Tetraarsenic tetrasulfide
Realgar ( ), also known as "ruby sulphur" or "ruby of arsenic", is an arsenic sulfide mineral with the chemical formula α-. It is a soft, sectile mineral occurring in monoclinic crystals, or in granular, compact, or powdery form, often in assoc ...
, As
4S
4, the mineral realgar
*
Tetraarsenic trisulfide, As
4S
3, the mineral α- or β- dimorphite
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