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Acid Red 18

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Acid Red 18 Basic information
Acid Red 18 Chemical Properties
Safety Information
Acid Red 18 Usage And Synthesis
  • Chemical PropertiesDeep red powder
  • UsesFood Red No. 102 is an artificial coloring food additive. Dye.
  • Preparation4-Aminonaphthalene-1-sulfonic acid diazo, and 7-Hydroxynaphthalene-1,3-disulfonic acid coupling.
  • Safety ProfileModerately toxic by intraperitoneal route. Questionable carcinogen with experimental tumorigenic data. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx and SOx.
  • Properties and Applicationsred. Red powder. Soluble in water red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. Strong sulfuric acid in purple, will the red orange is diluted; Nitric acid solution in yellow. Its water solution and strong hydrochloric acid red, add sodium hydroxide is brown. Mainly used for wool, silk, polyamide fiber and its blended fabric dyeing, also can be used for leather, paper, plastic, wood, medicine and cosmetics of dyeing, still can make the ink.
    Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
    Fading Stain Fading Stain Fading Stain
    ISO 4 2 3-4 2 1-2 3
    AATCC 4 2 2 1 1 4
  • Purification MethodsDissolve the dye in the minimum quantity of boiling water, filter and enough EtOH is added to precipitate ca 80% of the dye. This process is repeated until a solution of the dye in aqueous 20% pyridine has a constant extinction coefficient. [Beilstein 16 I 306.]
Acid Red 18 Preparation Products And Raw materials
Acid Red 18(2611-82-7)Related Product Information
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  • Company Name:Lanxi Sanyi Chemical Co. Ltd Gold
  • Tel:18157951722
  • 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:3B Pharmachem (Wuhan) International Co.,Ltd.
  • Tel:18930552037 821-50328103-801
  • Company Name:future industrial shanghai co., ltd
  • Tel:400-0066-400