vital new red
vital new red Basic information
- Product Name:
- vital new red
- Synonyms:
-
- C.I.Direct Red 34:C.I.23570
- Direct Red 34
- CAS:
- 574-65-2
- MF:
- C34H25N6Na3O9S3
- MW:
- 826.76141
- Mol File:
- 574-65-2.mol
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vital new red Usage And Synthesis
Uses
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 | ||
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vital new red(574-65-2)Related Product Information
- C.I. Direct red 42
- 5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
- DIRECT FAST RED 3B
- DIRECT RED 31
- DIRECT RED 37
- 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt
- C.I. Direct Red 36, tetrasodium salt
- DIRECT RED 4
- 3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt