[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[(2,4-diamino-5-methylphenyl)azo]phenyl]-6-methyl-, monosodium salt 化学特性,用途語,生産方法
製造方法
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 上流と下流の製品情報
原材料
準備製品