PONTACYL VIOLET 4BSN
- CAS NO.：1681-60-3
- Empirical Formula: C16H11N3Na2O8S2
- Molecular Weight: 483.38
- MDL number: MFCD00049380
- EINECS: 216-859-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:59:10
What is PONTACYL VIOLET 4BSN?
Preparation
(a) 4-Nitrobenzenamine diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid?coupling (C.I.Acid Red 176, C.I. 16575), then will the nitro reduction; (b) N-(4-aminophenyl)acetamide?diazo, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acidcoupling (C.I.Acid Violet 6, C.I.16600), then acetyl hydrolysis.
Properties and Applications
blue purple. Soluble in water for blue purple, hardly soluble in ethanol and soluble fiber element. The strong sulfuric acid for blue-ray in red, for wine red after diluted. In nitric acid solution for wine red, in strong hydrochloric acid for chestnut solution; In 10% of sodium hydroxide solution for chestnut solution. In water solution to join hydrochloric acid for red; Join gas oxidation sodium for red orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 2 | 2-3 | 4 | 2-3 | 2 | 5 | 1 | |
| AATCC | 4 | 2-3 | 2-3 | 1 | 3 | 3 | 3 | 3 |
Properties of PONTACYL VIOLET 4BSN
| form | powder to crystal |
| Colour Index | 16580 |
| color | Gray to Dark purple to Black |
| CAS DataBase Reference | 1681-60-3 |
| EPA Substance Registry System | 2,7-Naphthalenedisulfonic acid, 3-[(4-aminophenyl)azo]-4,5-dihydroxy-, disodium salt (1681-60-3) |
Safety information for PONTACYL VIOLET 4BSN
Computed Descriptors for PONTACYL VIOLET 4BSN
New Products
2-(2-Ethoxyphenoxy)ethyl bromide 1,3-Dibromo-2,2-dimethoxypropane 8-Bromo-7-(2-butynyl)-3-methyl xanthine 5-Chlorothiophene-2-carboxylic acid 8-Bromo-3-methyl xanthine Maleic hydrazide o-Anisaldehyde 4-Bromobenzaldehyde 3-Fluorobenzaldehyde 2-Chlorobenzaldehyde 3-Amino-3-(3-fluorophenyl)propanoic acid 1-Propyl-4-piperidone 2,3-Dihydro-5,6-dimethoxy-2-(4-piperidinylmethyl)-1H-inden-1-one hydrochloride 3-(4-Bromo-3-methyl-2-oxo-2,3-dihydro-1h-benzo[d]imidazol-1-yl)piperidine-2,6-dione 2-Fluoro-6-iodobenzoic acid 3-Pyridineacrylic acid 1-Boc-4-cyanopiperidine ethyl 2-oxo-2,3,9,10-tetrahydro-1H-pyrido[3',4':4,5]pyrrolo[1,2,3-de]quinoxaline-8(7H)-carboxylate Vardenafil Bis-sulphonamide(Dimer) Nitroso Irbesartan N-Nitroso Nortriptyline Sulfonic acid Impurity 2-(p-Tolyl)acetaldehyde 2,2-dibromo-1-cyclopropyl-2-(2-fluorophenyl)ethan-1-oneRelated products of tetrahydrofuran
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