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Acid Green 25

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Acid Green 25 Basic information
Acid Green 25 Chemical Properties
  • Melting point:235-238 °C(lit.)
  • Colour Index 61570
  • form neat
  • color Bluish green powder
  • Water Solubility 36 g/L (20 ºC)
  • Merck 14,252
  • EPA Substance Registry SystemC.I. Acid Green 25 (4403-90-1)
Safety Information
Acid Green 25 Usage And Synthesis
  • Chemical Propertiesdark green powder
  • UsesFor nylon sutures: Fed. Regist. 42, 52395 (1977). Permitted for use in drugs and cosmetics, excluding use in eye area: ibid. 47, 49628 (1982).
  • Preparation(a) ?anthracene-1,4,9,10-tetraol?or 1,4-Dihydroxyanthracene-9,10-dione and anthracene-1,4,9,10-tetraol?mixture?with 2 moles of p-Methylaniline in the presence of boric acid condensation; (b) 1,4-Dichloroanthracene-9,10-dione and 2 Moore’s p-Methylaniline?condensation, its product (C.I. Solvent Green 3, C.I. 61565) products, and translate into sodium salt.
  • General DescriptionFine black or green powder.
  • Air & Water ReactionsSlightly soluble in water.
  • Reactivity ProfileAcid Green 25 is incompatible with strong oxidizing agents. .
  • Fire HazardFlash point data for Acid Green 25 are not available. Acid Green 25 is probably combustible.
  • Safety ProfileModerately toxic by ingestion. Askin and severe eye irritant.
    When heated to decomposition it emits very toxic fumesof NOx, SOx, and Na2O.
  • Properties and Applicationsblue light green. Green powder. Soluble in water, no solution at room temperature gather the tendency. Soluble in o-chlorophenol, slightly soluble in acetone, ethanol, Pyridine, insoluble in chloroform, toluene. The strong sulfuric acid dyes shows blackish green color, diluted Tracy turn blue; In nitric acid are brown. The little blue water solution, and a blue hydrochloric acid; Add sodium hydroxide is blue light green. Used for wool, polyamide, silk and their blended fabric dyeing and printing. Can also be used in leather, paper, cosmetics, soap, wood, electrical-controlled aluminum and biological color.
    Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
    Fading Stain Fading Stain Fading Stain
    ISO 6 3 2 4 2 1 4 3-4
    AATCC 5 4 4 3 3 3 4 4
  • Purification MethodsPurify it by salting out three times from an aqueous solution with sodium acetate, followed by repeated extraction with EtOH [McGrew & Schneider J Am Chem Soc 72 2547 1950]. It is a green powder that is slightly soluble in Me2CO, EtOH and pyridine. It is soluble in conc H2SO4 to give a blue solution that becomes turquoise on dilution. [Allen et al. J Org Chem 7 63 1942, Beilstein 14 H 725.]
Acid Green 25 Preparation Products And Raw materials
Acid Green 25(4403-90-1)Related Product Information
Acid Green 25SupplierMore
  • Company Name:Hangzhou Sunshine Chemicals Co., Ltd Gold
  • Tel:0086-571-88523165
  • Company Name:J & K SCIENTIFIC LTD.
  • Tel:400-666-7788 010-82848833-
  • Company Name:Meryer (Shanghai) Chemical Technology Co., Ltd.
  • Tel:400-660-8290 21-61259100-
  • Company Name:future industrial shanghai co., ltd
  • Tel:400-0066-400
  • Company Name:TCI (Shanghai) Development Co., Ltd.
  • Tel:021-67121386 / 800-988-0390