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Disperse Red 9

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Disperse Red 9 Basic information
Disperse Red 9 Chemical Properties
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37/38
  • Safety Statements 26-37/39
  • WGK Germany 3
  • RTECS CB0536600
Disperse Red 9 Usage And Synthesis
  • Uses1-Methylaminoanthraquinone is an important intermediate for manufacturing solvent dyes and acid dyes.
  • Preparation1-Chloroanthraquinone?or 9,10-Dioxo-9,10-dihydroanthracene-1-sulfonic acid?in pressure and in the presence of antioxidants with Methanamine for processing.
  • Synthesis Reference(s)Organic Syntheses, Coll. Vol. 3, p. 573, 1955
    Synthetic Communications, 21, p. 1889, 1991 DOI: 10.1080/00397919108021779
  • Properties and ApplicationsBright red blue light. Soluble in ethanol, acetone and soluble fiber element, slightly soluble in benzene and carbon tetrachloride, insoluble in special solvent, tao. The strong sulfuric acid for brown, for dark orange after diluted. Used for polyester, polyamide fiber, acrylic, acetate fiber and three acetate fiber dyeing, sheepskin and plastic color. Good levelness, improve rate is high.
    Standard(Vinegar fiber) Ironing Fastness Light Fastness Persperation Fastness Washing Fastness
    Fading Stain Fading Stain Fading Stain
    ISO 4 4 3 4 3
  • Purification MethodsCrystallise it to constant melting point from butan-1-ol, then from EtOH. It can be sublimed under vacuum. [Beilstein 7 IV 2574.]
Disperse Red 9 Preparation Products And Raw materials
Disperse Red 9(82-38-2)Related Product Information
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