Benzenesulfonic acid, 2-[[2-(methylamino)-1-naphthalenyl]azo]-5-nitro-, monosodium salt Usage And Synthesis

Preparation

2,5-Diaminobenzenesulfonic acid diazo, and N-methylnaphthalen-2-amine?coupling.

Properties and Applications

dark purple. Soluble in water for purple, also soluble in ethanol, acetone, insoluble in benzene. The strong sulfuric acid is palm in light orange; After dilute for dark pink. In the dye solution to join strong hydrochloric acid with brown precipitation; Add thick sodium hydroxide solution has the purple precipitation

Benzenesulfonic acid, 2-[[2-(methylamino)-1-naphthalenyl]azo]-5-nitro-, monosodium salt(10142-24-2)Related Product Information

• ACID VIOLET 3
• Acid Violet 20
• N-[4-[[4-(Diethylamino)phenyl][4-[N-butyl-N-(2-sodiosulfoethyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-(2-sulfonatoethyl)-1-butanaminium
• Methanaminium, N-[4-[[4-(dimethylamino)phenyl][2-(methylphenylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, sulfonated, chlorides
• hydrogen [4-[[4-[bis(3-sulphonatobenzyl)amino]phenyl][4-(dimethylamino)phenyl]methylene]cyclohexa-2,5-dien-1-ylidene]dimethylammonium, sodium salt
• Acid Violet 30
• N-[4-[[4-[N-Ethyl-N-(3-sulfonatophenyl)amino]phenyl][4-[N-ethyl-N-(3-sodiosulfophenyl)amino]phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium
• ACID VIOLET 34
• 2,7-Naphthalenedisulfonic acid, 4-amino-5-[[(4-methylphenyl)sulfonyl]oxy]-3-[(4-sulfo-1-naphthalenyl)azo]-, trisodium salt