vital new red
- CAS NO.：574-65-2
- Empirical Formula: C34H25N6Na3O9S3
- Molecular Weight: 826.76141
What is vital new red?
The Uses of vital new red
For blood volume determinations.
Preparation
3,3′-Dimethylbenzidine double nitriding, first coupling with?3-Aminonaphthalene-2,7-disulfonic acid, again with 6-Aminonaphthalene-2-sulfonic acid coupling.
Properties and Applications
red. Soluble in water for red orange, slightly soluble in ethanol for Shallow red brown, insoluble in other organic solvents. In the strong sulfuric acid as dark blue, Red sauce for diluted. The dye solution to join strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution for red orange, precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 1 | 4 | 1 | 1-2 | 1 | ||
Safety information for vital new red
New Products
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