COOMASSIE FAST BLACK G
- CAS NO.：10142-78-6
- Empirical Formula: C37H25N5Na2O6S2
- Molecular Weight: 745.73
- MDL number: MFCD00190667
- EINECS: 2334042
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is COOMASSIE FAST BLACK G?
Preparation
5-Aminonaphthalene-1-sulfonic acid diazo, and Naphthalen-1-amine coupling, again diazo, and 8-(P-toluidino)naphthalene-1-sulfonic acid coupling.
Properties and Applications
black. Soluble in water for dark purple, soluble in ethanol for red light blue. The strong sulfuric acid for blue-ray black, diluted green for blue-ray. The dye solution to join strong hydrochloric acid for turquoise blue; Add thick sodium hydroxide solution have sauce red precipitate. Suitable for the wool dyeing and printing, also suitable for leather shading.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 6 | 5 | 4 | 4-5 | 4 | 3-4 | 4-5 | 4-5 |
Properties of COOMASSIE FAST BLACK G
| EPA Substance Registry System | 1-Naphthalenesulfonic acid, 8-[(4-methylphenyl)amino]-5-[[4-[(5-sulfo-1-naphthalenyl)azo]-1-naphthalenyl]azo]-, disodium salt (10142-78-6) |
Safety information for COOMASSIE FAST BLACK G
Computed Descriptors for COOMASSIE FAST BLACK G
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