Sulphur Brown 38 Chemical Properties,Usage,Production
Preparation
160 parts of4-Methylbenzene-1,3-diamine , 40 parts of2, 6 – Diaminotoluene and 428 parts of the mixture of sulfur245 ℃ calcination 12 hours, and its product with Sodium hydroxide or Sodium sulfide solution treatment (BIOS 1155, 42).