| M Formula: | As2S5 |
| Properties: | |
| Yellow or orange powder. Soluble in nitric acid and alkalies; insoluble in water. Decomposes to sulfur and the trisulfide when heated. | |
| Derivation: | |
| By precipitation from arsenic acid in a hydrochloric acid solution with hydrogen sulfide. It is filtered, then dried. | |
| Grade: | |
| Technical. | |
| Use: | |
| Paint pigments, light filters, other arsenic compounds. | |