vital new red
- CAS No.
- 574-65-2
- Chemical Name:
- vital new red
- Synonyms
- Direct Red 34;C.I.Direct Red 34:C.I.23570
- CBNumber:
- CB71386300
- Molecular Formula:
- C34H25N6Na3O9S3
- Molecular Weight:
- 826.76141
- MDL Number:
- MOL File:
- 574-65-2.mol
vital new red Chemical Properties,Uses,Production
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 | ||
vital new red Preparation Products And Raw materials
574-65-2(vital new red)Related Search:
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
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C.I.Direct Red 34:C.I.23570
Direct Red 34
574-65-2
C34H25N6Na3O9S3