4-hydroxy-6-methylamino-2-naphthalene sulfonic acid
- CAS NO.：6259-53-6
- Empirical Formula: C11H11NO4S
- Molecular Weight: 253.27
- EINECS: 228-406-5
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-11-07 14:28:36
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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