Basic information Safety Supplier Related

Direct Blue 111

Basic information Safety Supplier Related

Direct Blue 111 Basic information

Product Name:
Direct Blue 111
Synonyms:
  • Direct Blue 111
  • C.I.Direct Blue 111:C.I.26680
CAS:
8004-62-4
MW:
0
Mol File:
Mol File
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Direct Blue 111 Usage And Synthesis

Preparation

8-Amino-5-nitronaphthalene-2-sulfonic acid and 5-Amino-8-nitronaphthalene-2-sulfonic acid?diazo, and 2-Amino-4-methylanisole coupling, product to diazo, and 4-Hydroxynaphthalene-1-sulfonic acid coupling, and then will the nitro reductive into amino.

Properties and Applications

dark green light blue. Soluble in water for purple to blue, not soluble in alcohol. The strong sulfuric acid for blue-ray in black, for violet blue after diluted. The dye solution to join strong hydrochloric acid for purplish red solution, for violet blue after diluted; Add thick sodium hydroxide solution not dissolve, diluted dark for solution.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 4 5 3-4 3-4

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