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| OEM | OEM Services Provided |
| Feature | Good stability,Easy to Use |
| Classification | Dyes and Pigments |
| Advantage | Professional, Fast Delivery, Customizable | Samples | Apply for free，Contact us now. |
| Product Name: | Vat Voilet 3 |
| Synonyms: | Indanthren Red Violet RRN;Indonon Red Violet RRN;Navidon Magenta B.;Vat Red Violet RRN;Fenanthren Red Violet 2RN;Hostavat Red Violet 2RN;Indanthrene Red Violet 6R;Solanthrene Red Violet 2R |
| CAS: | 2379-75-1 |
| MF: | C20H14Cl2O2S2 |
| MW: | 421.36 |
| EINECS: | 219-164-1 |
| Product Categories: | Organics |
| Mol File: | 2379-75-1.mol |
| Boiling point | 551.8±50.0 °C(Predicted) |
| density | 1.499 |
| storage temp. | 2-8°C |
| EPA Substance Registry System | Benzo[b]thiophen-3(2H)-one, 5-chloro-2-(5-chloro-4,7-dimethyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4,7-dimethyl- (2379-75-1) |
| Chemical Properties | Reddish purple powder. Insoluble in water, ethanol and organic solvents. Dark green in concentrated sulfuric acid, reddish purple when diluted. Yellow in alkaline solution of insurance powder, colorless in acidic solution. | ||||||||||||||||||||||||||
| 2,5-Dimethyl-4-chlorophenylmercaptoacetic acid with Chlorosulfonic acid cyclization, oxidation. This intermediate is chlorinated using the sulfonyl chloride route xylene (BIOS) derived. | |||||||||||||||||||||||||||
| Properties and Applications | brilliant red light purple. Red purple powder. Insoluble in water, ethanol and general organic solvent. In concentrated sulfuric acid for SAP green, dilution after pale red light purple. Alkaline reduction leuco for yellow; Acid reduction leuco colorless. This product is light embrittlement phenomenon.?Mainly used in cotton yarn dyeing indigo with bromine, etc. Tile Black Vat Brown RRD use. Rubbing fastness, but also for direct printing of cotton fabrics, resist printing and discharge printing.
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| Raw materials | Xylene-->Thioglycolic acid-->[(4-chloro-2,5-dimethylphenyl)thio]acetic acid |
| Preparation Products | 5,5'-Dichloro-4,4',7,7'-tetramethyl-2,2'-bibenzo[b]thiophene-3,3'-diol bis(sulfuric acid sodium) salt |
Declaration: The products displayed on this website are intended exclusively for industrial applications or scientific research. They are not intended for medical, pharmaceutical, or food use. In accordance with applicable laws and regulations, purchasing organizations must hold valid qualifications and approvals.
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