[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[[2,6-diamino-3-sulfo-5-[(3-sulfophenyl)azo]phenyl]azo]phenyl]-6-methyl-, trisodium salt Usage And Synthesis

Preparation

3-Aminobenzenesulfonic acid diazo, and 2,4-Diaminobenzenesulfonic acid coupled; C.I. Direct Yellow 59 (C.I. 49000) diazo, and the generation of single accidentally coupled nitrogen compounds.

Properties and Applications

dark orange. Soluble in water for palm light orange, slightly soluble in ethanol for light golden brown. The strong sulfuric acid for quality in red (yellow), to orange red brown, diluted light orange for palm. The dye solution to join strong hydrochloric acid for orange brown;?Concentrated sodium hydroxide solution was golden orange. For the dyeing of cellulose fibers and paper colored, good leveling.

[2,6'-Bibenzothiazole]-7-sulfonic acid, 2'-[4-[[2,6-diamino-3-sulfo-5-[(3-sulfophenyl)azo]phenyl]azo]phenyl]-6-methyl-, trisodium salt(5850-10-2)Related Product Information

• Direct Orange 17
• CALCOMINE ORANGE 5RE
• Direct Orange 121
• C.I. Direct orange 25
• Direct Orange 18
• Direct Orange 119
• 2,7-Naphthalenedisulfonic acid, 3-amino-4-[[4'-[(4-ethoxyphenyl)azo]-3,3'-dimethyl[1,1'-biphenyl]-4-yl]azo]-, disodium salt
• C.I. Direct Orange 22
• C.I. Direct orange 2