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Direct Orange 4

Direct Orange 4 Structure
Direct Orange 4
  • CAS No.3626-38-8
  • Chemical Name:Direct Orange 4
  • CBNumber:CB4968205
  • Molecular Formula:C24H21N10NaO10S2
  • Formula Weight:696.6
  • MOL File:3626-38-8.mol
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements

Direct Orange 4 Chemical Properties,Usage,Production

  • Preparation 4,4′-Diamino-3,3′-Biphenyldisulfonic acid?double nitriding, and 4-Nitrobenzene-1,3-diamine (2 Moore) coupled.
  • Properties and Applications bright orange. Moderate soluble in water for palm light orange, slightly soluble in ethanol for golden brown. The strong sulfuric acid for golden brown. After diluted for orange brown. The dye solution to join strong hydrochloric acid for orange heavy red light brown, have precipitation; Add thick sodium hydroxide solution for orange light brown, have precipitation. Can be used for cotton dyeing, good levelness. Neutral and alkaline white good to very good.
    Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
    Fading Stain Fading Stain
    ISO 4 4 3 2 2
Direct Orange 4 Preparation Products And Raw materials
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Preparation Products
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Direct Orange 4 Spectrum
3626-38-8, Direct Orange 4Related Search:
  • 3626-38-8
  • C.I.Direct Orange 4:C.I.22920
  • Direct Orange 4
  • C.I.Direct Orange 4
  • C.I.22920
  • 4,4'-Bis[(2,4-diamino-5-nitrophenyl)azo]-1,1'-biphenyl-3,3'-disulfonic acid disodium salt

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