Direct Blue 111

CAS No.
8004-62-4
Chemical Name:
Direct Blue 111
Synonyms
Direct Blue 111;C.I.Direct Blue 111:C.I.26680
CBNumber:
CB49702909
Molecular Formula:
Molecular Weight:
0
MDL Number:
MOL File:
Mol file

Direct Blue 111 Chemical Properties,Uses,Production

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

Direct Blue 111 Preparation Products And Raw materials

Direct Blue 111 C.I.Direct Blue 111:C.I.26680 8004-62-4