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peanut, chemical products

  • China China  
  • Last Updated:
    Posted on: 13 Jun 2021

RFQ Details

Sulfur black: say again bulcanization yuan or vulcanization green, the biggest vulcanization dyestuff. consumption black powder or fine grain. slightly soluble in water. in the method heiluse hidden color body into solution. sulfuric acid soluble in hot in blue, green and black precipitate generated diluted.


Uses: mainly used for dyeing cotton and hemp fibers. by two chlorobenzene hydrolysising 2, 4-diflooronitrohenzene nitrointo 2, 4-diflooronitrohenzene nitro phenol sodium salt with the method of sulfide after air oxidation and system.