5-amino-4-hydroxynaphthalene-2-sulphonic acid
- CAS NO.：35400-55-6
- Empirical Formula: C10H9NO4S
- Molecular Weight: 239.24776
- EINECS: 252-546-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-11-06 15:11:26
What is 5-amino-4-hydroxynaphthalene-2-sulphonic acid?
Production Methods
?1-Aminonaphthalene-6,8-disulfonic acid gives 5-amino-4-hydroxynaphthalene-2-sulphonic acid on fusion with 50 % potassium hydroxide at 200℃, but because the former is not readily available, a more convenient process is the desulfonation of K acid by boiling with zinc dust in aqueous sodium hydroxide solution.
Safety information for 5-amino-4-hydroxynaphthalene-2-sulphonic acid
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