disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate
- CAS NO.：6472-50-0
- Empirical Formula: C34H24N4Na2O8S2
- Molecular Weight: 726.6859
- EINECS: 229-321-6
- SAFETY DATA SHEET (SDS)
![disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate Structural](https://img.chemicalbook.in/CAS/GIF/6472-50-0.gif)
What is disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate ?
Preparation
5-Amino-2-(4-amino-5-methyl-2-sulfophenyl)-4-methylbenzenesulfonic double nitriding, and Naphthalen-2-ol (2 Moore) coupled.
Properties and Applications
red. Soluble in hot water, slightly soluble in cold water, soluble in ethanol, acetone, soluble fiber element and Pyridine, insoluble in other organic solvents. The strong sulfuric acid to red light purple, blue and red after diluted precipitation; In nitric acid with dark red in, and then into the orange. In water solution to join strong hydrochloric acid have article red precipitate; Add thick sodium hydroxide solution for orange brown.
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
| Fading | Stain | Fading | Stain | Fading | Stain | |||
| ISO | 4 | 3 | 4-5 | 4 | 3 | 4 | 4 | 4 |
| AATCC | 3 | 3 | 3 | 4 | 3 | 3 | 4 | 4 |
Properties of disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate
| EPA Substance Registry System | [1,1'-Biphenyl]-2,2'-disulfonic acid, 4,4'-bis[(2-hydroxy-1-naphthalenyl)azo]-5,5'-dimethyl-, disodium salt (6472-50-0) |
Safety information for disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate
Computed Descriptors for disodium 4,4'-bis[(2-hydroxy-1-naphthyl)azo]-5,5'-dimethyl[1,1'-biphenyl]-2,2'-disulphonate
Abamectin manufacturer
Shidimo Interaux Private Limited
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product: 6472-50-0 Acid red 89 99%
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