phosphorus trisulfide

phosphorus trisulfide

[′fäs·fə·rəs trī′səl‚fīd] (inorganic chemistry) P2S3 or P4S6 Grayish-yellow, tasteless, odorless solid that burns in air; soluble in alcohol, carbon disulfide, and ether; melts at 290°C; used as an analytical reagent.