4-Amino-3-[(4-amino-2-nitrophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
- CAS NO.:6222-42-0
- Empirical Formula: C16H14N5NaO9S2
- Molecular Weight: 507.42
What is 4-Amino-3-[(4-amino-2-nitrophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt?
Preparation
N-(4-amino-3-nitrophenyl)acetamide?diazo, and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?in acid conditions coupled, then acetaminophen hydrolysis.
Properties and Applications
navy blue. Soluble in water for dark purple, slightly soluble in alcohol in deep navy blue. In the dark for the strong sulfuric acid, diluted in red. In water solution to join strong hydrochloric acid into red; With strong sodium hydroxide solution into a navy blue.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 3 | 2-3 | 2-3 | 3-4 | 3 | 3-4 |
Safety information for 4-Amino-3-[(4-amino-2-nitrophenyl)azo]-5-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
New Products
6-Bromo 2-Iodo Indole Pyridine 2,4,6-Tricarboxaldehyde Fosfomycin EP impurity D Ivermectin EP Impurity B Rimegepant Impurity 3 Tubulysin D 2,2-diethoxyethanethioamide Tubulysin A (2S,4R)-4-amino-2-methyl-5-phenylpentanoic acid hydrochloride Tubulysin B 2-[[(3aR,4S,6R,6aS)-6-Aminotetrahydro-2,2-dimethyl-4H-cyclopenta-1,3-dioxol-4-yl]oxy]ethanol ethanedioate Calcium Sodium Phosphosilicate IH Fuel shell 2-[2-[3(S)-3[2-(7-chloro-2-quinolinyl) ethenyl] phenyl-3- hydroxyl propyl] phenyl]-2-propanol 2-(1-(Mercaptomethyl) cyclopropyl) acetonitrile Imeglimin Hydrochloride IH 1-(4-Chlorophenyl)piperidin-2-one 2-(4-Bromopyridin-2-yl)acetonitrile 3-Morpholino-5,6-dihydropyridin-2(1H)-one 2-(2,4-Dibutoxyphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane Methyl 4-amino-3-(pyrrolidin-1-yl)benzoate 3,6-Bis(4-iodophenyl)-2,5-dihydropyrrolo[3,4-c]pyrrole-1,4-dione 3-(4-bromo-1H-pyrazol-1-yl)-N,N-dimethylpropanamide 6-bromo-4-methyl-2-propyl-1H-1,3-benzodiazoleRelated products of tetrahydrofuran
ALPHAZURINE A
disodium 4,5-diamino-9,10-dihydro-1,8-dihydroxy-9,10-dioxoanthracene-2,7-disulphonate
9-[(4-Amino-2-sodiosulfophenyl)amino]-11-methyl-7-phenyl-5-phenylamino-4-sulfonatobenzo[a]phenazin-7-ium
ERIOCYANINE A
Indigo Carmine
ACID BLUE 62
C.I. Acid Blue 68
ACID BLUE 59
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