4-hydroxy-6-methylamino-2-naphthalene sulfonic acid Chemical Properties

Boiling point:

459.71℃[at 101 325 Pa]

Density 

1.542±0.06 g/cm3(Predicted)

vapor pressure 

0Pa at 25℃

pka

-0.15±0.40(Predicted)

Water Solubility 

4.489g/L at 25℃

LogP

-0.84 at 25℃

EPA Substance Registry System

2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)- (6259-53-6)

4-hydroxy-6-methylamino-2-naphthalene sulfonic acid Usage And Synthesis

Chemical Properties

4-Hydroxy-6-methylaminonaphthalene-2- sulfonic acid [6259-53-6], N-methyl g acid, is produced by reaction of 2,8-dihydroxynaphthalene-6-sulfonic acid with methylamine in aqueous sodium bisulfite at 96℃ for 36 h (yield 95 %). It is used to produce C.I. Acid Brown 91.

Flammability and Explosibility

Not classified

4-hydroxy-6-methylamino-2-naphthalene sulfonic acid(6259-53-6)Related Product Information

• ACID ANTHRACENE BROWN PG
• tetrasodium [mu-[[3,3'-[azoxybis[(2-hydroxy-p-phenylene)azo]]bis[4-hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonato]](8-)]]dicuprate(4-)
• 6-(2,3-dibromopropionamido)-3-[[5-(2,3-dibromopropionamido)-2-sulphophenyl]azo]-4-hydroxynaphthalene-2-sulphonic acid
• REACTIVE ORANGE 16
• 7-Anilino-1-naphthol-3-sulfonic acid
• DIRECT FAST BROWN BX
• 4-(8-Hydroxy-6-sulfonaphthalen-2-ylamino)benzoic acid
• 4-hydroxy-6-methylamino-2-naphthalene sulfonic acid
• 2-Acetamido-8-naphthol-6-sufonic acid (N-acetyl gamma acid)
• AZOSULFAMIDE
• 6-DIMETHYLAMINO-4-HYDROXY-2-NAPHTHALENESULFONIC ACID
• 4-Hydroxy-6-(3-sulphoanilino)naphthalene-2-sulphonic acid