1314-85-8 3,5,7-Trithia-1,2,4,6-tetraphosphatricyclo(2.2.1.02,6)heptane AI3-15014 EINECS 215-245-0 HSDB 1257 PHOSPHORUS SESQUISULFIDE Phosphorous sesquisulfide Phosphorus (III) sulfide (IV) Phosphorus sesquisulfide, free from yellow or white phosphorous [UN1341] [Flammable solid] Phosphorus sulfide Phosphorus sulfide (P4S3) Phosphorus(III) sulfide(IV) Sesquisulfure de phosphore [French] Tetraphosphorus trisulfide Tetraphosphorus trisulphide Trisulfurated phosphorus UN1341