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HomeProduct name list4-hydroxy-6-methylamino-2-naphthalene sulfonic acid

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

4-hydroxy-6-methylamino-2-naphthalene sulfonic acid Structural

What is 4-hydroxy-6-methylamino-2-naphthalene sulfonic acid?

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

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

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℃
EPA Substance Registry System 2-Naphthalenesulfonic acid, 4-hydroxy-6-(methylamino)- (6259-53-6)

Safety information for 4-hydroxy-6-methylamino-2-naphthalene sulfonic acid

Computed Descriptors for 4-hydroxy-6-methylamino-2-naphthalene sulfonic acid

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