Sulphon Black RA
- CAS NO.：6527-60-2
- Empirical Formula: C26H20N5NaO6S2
- Molecular Weight: 585.58
What is Sulphon Black RA?
Preparation
3-Aminobenzenesulfonic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, coupled with the 8-Aminonaphthalene-1-sulfonic acid .
Properties and Applications
red light black. Moderate soluble in water for violet black, slightly soluble in ethanol for purple. The strong sulfuric acid for green light blue, diluted into a deep red. In water solution to join strong hydrochloric acid deep red precipitate; With strong sodium hydroxide solution for purplish red color.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| AATCC | 6 | 3-4 | 2 | 1 | 1-2 | |||
Safety information for Sulphon Black RA
New Products
Cyclobutanone (R)-(-)-2-Amino-1-propanol Fmoc-OSu 5-bromo-4-fluoro-2-nitrobenzaldehyde 2-Amino-2-(4-methylphenyl)acetic acid 1-(2-Chloroethyl)pyrrolidine Hydrochloride 2,4-Dihydroxybenzaldehyde Obidoxime hydrochloride API Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Dipropyl disulfide N-Vinylformamide 4 pentyn 1 ol Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 2-Butyn-1-oL N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. 2-Pentyn-1-oL 4-Nitrobenzotrifluoride N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamideRelated products of tetrahydrofuran
![sodium 4-hydroxy-5-[(2-methoxy-4-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate](https://img.chemicalbook.in/CAS/GIF/6222-55-5.gif)
![Chromate(3-), bis[3-(hydroxy-κO)-4-[[2-(hydroxy-κO)-1-naphthalenyl]azo-κN1]-7-[[(4-methylphenyl)sulfonyl]amino]-1-naphthalenesulfonato(3-)]-, disodium hydrogen](https://img.chemicalbook.in/CAS/20211123/GIF/6408-00-0.gif)
![tetrasodium (4Z)-4-[[4-(6,8-disulfonatonaphthalen-2-yl)diazenylnaphthalen-1-yl]hydrazinylidene]-3-oxo-naphthalene-2,7-disulfonate](https://img.chemicalbook.in/CAS/GIF/4197-00-6.gif)
![disodium 4-amino-5-hydroxy-3-[(2-methyl-5-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate](https://img.chemicalbook.in/CAS/GIF/5850-41-9.gif)
![Benzoic acid, 4-[[7-[[4-[[4'-[[4-[(7-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo]-5-methoxy-2-methylphenyl]azo]-3,3'-disulfo[1,1'-biphenyl]-4-yl]azo]-2-methoxy-5-methylphenyl]azo]-8-hydroxy-6-sulfo-2-naphthalenyl]amino]-, hexasodium salt](https://img.chemicalbook.in/CAS/20200401/GIF/7237-45-8.gif)
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