[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt

CAS No.
10214-08-1
Chemical Name:
[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt
Synonyms
Direct Brown 53;C.I.Direct Brown 53:C.I.13320;[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt
CBNumber:
CB24745594
Molecular Formula:
C28H21N6NaO3S3
Molecular Weight:
608.68951
MDL Number:
MOL File:
10214-08-1.mol

[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt Chemical Properties,Uses,Production

Preparation

p-Methylaniline (2 Moore) and sulfur (4.5 atomic ratio) in 200 ~ 280 ℃ heat, Sulfonated with fuming sulfuric acid alkali obtained primulin. Its product (C.I. Direct Yellow 59, C.I. 49000) diazo, and 4-Methylbenzene-1,3-diamine coupling.

Properties and Applications

red light brown. Soluble in water and ethanol for orange brown. The strong sulfuric acid for orange red + wine red, for yellow brown after diluted. The dye solution to join strong hydrochloric acid with brown precipitation; With strong sodium hydroxide solution have orange brown precipitation.

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 5 5 2-3 1-2 2

[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt C.I.Direct Brown 53:C.I.13320 Direct Brown 53 10214-08-1