SIRIUS SUPRA BLUE
- CAS NO.：6252-57-9
- Empirical Formula: C46H27N7Na4O14S4
- Molecular Weight: 1121.96
- MDL number: MFCD00081184
- EINECS: 2283742
- SAFETY DATA SHEET (SDS)
- Update Date: 2022-12-21 16:56:50
What is SIRIUS SUPRA BLUE?
Preparation
4-Amino-5-(phenylsulfonyloxy)naphthalene-2,7-disulfonic acid?diazo, and Naphthalen-1-amine coupling, its product to diazo, and 8-Aminonaphthalene-2-sulfonic acid coupling, again diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling, and then hydrolysis benzene acyl sulfonylurea medications.
Properties and Applications
blue. Soluble in water for blue, not soluble in ethanol and other organic solvents. The strong sulfuric acid for blue-ray black, diluted to blue. The dye solution to join strong hydrochloric acid have precipitation of dark; Add thick sodium hydroxide solution have blue precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4 | 4 | 6 | 3 | 3-4 | ||
| AATCC | 3 | 4 | 5 | 4 | 4 | ||
Safety information for SIRIUS SUPRA BLUE
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![tetrasodium [mu-[[3,3'-[(3,3'-dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[4,5-dihydroxynaphthalene-2,7-disulphonato]](8-)]]dicuprate(4-)](https://img.chemicalbook.in/CAS/20180808/GIF/13569-92-1.gif)
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