3-[(4-Formylphenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
- CAS NO.：5850-58-8
- Empirical Formula: C17H13N2NaO9S2
- Molecular Weight: 476.41
- SAFETY DATA SHEET (SDS)
![3-[(4-Formylphenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt Structural](https://img.chemicalbook.in/CAS/GIF/5850-58-8.gif)
What is 3-[(4-Formylphenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt?
Preparation
4-Aminobenzaldehyde diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid?coupling.
Properties and Applications
colourful red blue light. Soluble in water is red. The strong sulfuric acid in blue, diluted into red; In the bright red precipitation appear in the hydrochloric acid; Sodium hydroxide solution for deep in the red.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 5 | 3 | 3 | 2 | 4-5 | |||
Safety information for 3-[(4-Formylphenyl)azo]-4,5-dihydroxy-2,7-naphthalenedisulfonic acid disodium salt
New Products
N,N CARBONYL DIIMIDAZOLE 2-Amino-5-bromo-4-(trifluoromethyl)pyridine（RM for Indian lab) (RS)-beta-Amino-beta-(4-bromophenyl)propionic acid Tetrabutylammonium perchlorate N,O-Dimethylhydroxylamine hydrochloride (R)-1-Benzyl-3-pyrrolidinecarbonitrile Bupropian related compound F Lantanoprost rc B Clidinium Bromide Impurity Noradrenaline EP Impurity D/Noradrenaline Methyl Ether Cetirizine EP Impurity A/Cetirizine CBHP Impurity N-Nitroso hydroxy Cetrizine EP Impurity-A 4-(5-amino-1-methyl-1h-benzoimidazol-2-yl)-butyric acid isopropyl ester. 1,4-bis(methylsulfonyl)butane 4-Cyano-N-Methacryloyl-3-Trifluoromethyl Aniline 5-Methyl-1,3-benzenediacetonitrile 4-Fluorothiophenol 1-methyl amino-2,4-dinitro benzene 2-Chloro Benzylcyanide 3,4 Diethoxy Benzylcyanide 3,4 Dimethoxy Benzylcyanide 3-chlorobenzyl cyanide 3-Hydroxypropionitrile 4-Bromo BenzylcyanideRelated products of tetrahydrofuran
![sodium [5-chloro-2-hydroxy-3-[(1,2,3,4-tetrahydro-2,4-dioxoquinolin-3-yl)azo]benzene-1-sulphonato(3-)]hydroxychromate(1-)](https://img.chemicalbook.in/CAS/20180906/GIF/6408-34-0.gif)
![sodium hydroxy[2-hydroxy-3-[(2-hydroxy-1-naphthyl)azo]-5-nitrobenzenesulphonato(3-)]chromate(1-)](https://img.chemicalbook.in/CAS/20180808/GIF/6370-15-6.gif)
![disodium hydrogen bis[5-chloro-3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-2-hydroxybenzenesulphonato(3-)]chromate(3-)](https://img.chemicalbook.in/CAS/20211123/GIF/6408-26-0.gif)
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