Direct blue 26, trisodium salt
- CAS NO.：7082-31-7
- Empirical Formula: C44H29N6Na3O14S3
- Molecular Weight: 1030.89717
- SAFETY DATA SHEET (SDS)
What is Direct blue 26, trisodium salt?
Preparation
3,3′-Dimethylbenzidine double nitriding, in alkaline conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? coupling, and then diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid (2 Moore) coupled.
Properties and Applications
red light navy blue. Soluble in water for hidden cyan, soluble in ethanol. The strong sulfuric acid for blue, shallow purple for diluted. The dye solution to join strong hydrochloric acid have hidden cyan precipitation; Add thick sodium hydroxide solution has the purple precipitation.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4-5 | 3 | 2 | 2-3 | 4 | ||
| AATCC | 4 | 2 | 2 | 1-2 | 2-3 | ||
Properties of Direct blue 26, trisodium salt
| EPA Substance Registry System | C.I. Direct Blue 26, trisodium salt (7082-31-7) |
Safety information for Direct blue 26, trisodium salt
Computed Descriptors for Direct blue 26, trisodium salt
New Products
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![7'-Amino-4-[[4-[(4-aminophenyl)azo]-6-sodiosulfo-1-naphthalenyl]azo]-1'-hydroxy[1,2'-azobisnaphthalene]-3',6-disulfonic acid disodium salt](https://img.chemicalbook.in/CAS/GIF/6428-55-3.gif)
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