Welcome to LookChem.com Sign In|Join Free
  • or
Home > Products >  > 

C-I-Sulphur-Blue-11

Products Categories

  • Display:default sort

    New supplier

  • Total:0 Page 0 of 0

Please post your buying leads,so that our qualified suppliers will soon contact you!
*Required Fields

Chemistry

Black powder. Insoluble in water. Dissolved in sodium sulfide solution into dark yellow green leuco. Dissolved in concentrated sulfuric acid purplish blue diluted black precipitate generated.

Specification

Mainly used for dyeing cotton and linen. By p-nitrosophenol and o-toluidine condensation with sodium polysulfide sulfide after air oxidation process. Because of the different production process, the product may have different color. Domestic production of sulfide blue BN (Qing Guang), RN (Hong Guang), BRN (Qing Hongguang) three.