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
New Products
Tubulysin E (2S,4R)-4-amino-2-methyl-5-phenylpentanoic acid hydrochloride 4,4-DIFLUOROPIPERIDINE 3-METHYLAZETIDIN-3-OL HYDROCHLORIDE 2-(azetidin-3-ylidene)acetonitrile (hydrochloride) 2,2,6,6-tetramethyl-2H-3,5,6-trihydropyran-4-one 4-FLUOROPIPERIDINE 4-CYANO-TETRAHYDROPYRAN-4-CARBOXYLIC ACID 2,3-Dichloro-6- nitrobenzylamine Hydrochloride 3-fluoro-4- thiomorpholinoaniline 2-Bromo-6- nitroanisole 4-(2-fluoro-4- nitrophenyl) thiomorpholine 1-(2,3-Dihydro- benzofuran-5-yl) -ethanone (R)-1-Aminoindan Hydrochloride 1H-Imidazole-4-carbonitrile 7-Methoxyquinoline-4-carbonitrile 7-Methoxyquinoline-4-carboxylic acid Methyl (2R)-2-amino-3-[(triphenylmethyl)sulfanyl]propanoate (2R,3S)-2-Azido-3-methylpentanoic acid (R)-methyl 2-isocyano-3-(tritylthio)propanoate (R)-methyl 2-formamido-3-(tritylthio)propanoate BECLOMETASONE DIPROPIONATE EP IMPURITY B EZETIMIBE M-FLUOROANILINE ANALOG IMPURITY (USP) BECLOMETASONE DIPROPIONATE EP IMPURITY SRelated products of tetrahydrofuran
ACID RED 106
ACID BLUE 29
disodium 5-((4-acetylamino-2-sulphophenyl)azo)-6-amino-4-hydroxynaphthalene-2-disulphonate
5-amino-4-hydroxynaphthalene-2-sulphonic acid
1,2,4-Benzenetriol
ACID RED 1
ACID VIOLET 5
LIGNIN PINK
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