Naphthalenesulfonic acid, 2-hydroxy-1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-, monosodium salt Usage And Synthesis

Preparation

2-Methyl-4-(o-tolyldiazenyl)benzenamine diazo, and 7-Hydroxynaphthalene-1-sulfonic acid (0.5 Moore) and 6-Hydroxynaphthalene-2-sulfonic acid (0.5 Moore) coupled.

Properties and Applications

red. Slightly soluble in water, soluble in ethanol right amount to red. The strong sulfuric acid is a deep in the red, After dilution into a reddish orange. In water solution to join strong hydrochloric acid for orange red brown; Add thick sodium hydroxide solution for orange red brown.

Naphthalenesulfonic acid, 2-hydroxy-1-[[2-methyl-4-[(2-methylphenyl)azo]phenyl]azo]-, monosodium salt(8012-09-7)Related Product Information

• disodium 6-[(4-cyclohexylphenyl)azo]-4-[(2,5-dichlorobenzoyl)amino]-5-hydroxynaphthalene-1,7-disulphonate
• CHROMOTROPE 2B
• BORDEAUX RED
• Orchil Red
• disodium 3-[[5-chloro-2-(phenylmethoxy)phenyl]azo]-4-hydroxy-5-[[(p-tolyl)sulphonyl]amino]naphthalene-2,7-disulphonate
• 2,7-Naphthalenedisulfonic acid, 3-[[3,3'-dimethyl-4'-[[3-oxo-1-[(phenylamino)carbonyl]propyl]azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt
• Acid red 163
• 2,7-Naphthalenedisulfonic acid, 5-[[(4-chloro-2,5-dimethylphenyl)sulfonyl]amino]-4-hydroxy-3-[[2-(1-methylethoxy)-5-(1,1,3,3-tetramethylbutyl)phenyl]azo]-, disodium salt
• 2-Naphthalenesulfonic acid, 5,5'-[(2,2'-dimethyl[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[6-hydroxy-, disodium salt