Sulfur red 2 (C.I. 53260)
- CAS NO.：1327-05-5
- Molecular Weight: 0
What is Sulfur red 2 (C.I. 53260)?
Preparation
will the 4-Chloro-2-(2,4-dinitrophenylamino)phenol?in 45 ~ 70 ℃ in the 90 minutes added to sodium polysulfide, and then heated to boiling point (104 ℃), in the return of boiling 24 hours
Properties and Applications
dark purplish red. Deep red powder. In the sodium sulfide solution for deep blue light green; In concentrated sulfuric acid for brown light green, dilution after purple black precipitation. Used for cotton, hemp, viscose fabric such as dyeing.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 4 | 4 | 3 | 3-4 | 2-3 | ||
Safety information for Sulfur red 2 (C.I. 53260)
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![Acetamide, N-[2,4-diamino-5-[(4-oxo-2,5-cyclohexadien-1-ylidene)amino]phenyl]-, reaction products with sodium sulfide (Na2(Sx)), oxidized](https://img.chemicalbook.in/CAS/20180808/GIF/1327-27-1.gif)
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