Acid Red 34
Name:C.I.Acid Red 34,C.I.17030
Molecular Structure: Single azo class
Molecular Formula:C16H12N4Na2O7S2
Molecular Weight: 482.4
CAS Registry Number:6360-04-9
Manufacturing Methods : 2,5-Diaminobenzenesulfonic acid diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid in acid conditions coupled, then use the method will be reduced to amino nitro.
Properties and Applications: colourful red blue light. Soluble in water is red to blue light purple, slightly soluble in ethanol, soluble in soluble fiber element, insoluble in other organic solvents. Meet strong sulfuric acid is orange red, it will be diluted in orange red still. Its water solution and 10% sulfuric acid as pink; And 10% sodium hydroxide solution is pink. Dyeing wool products and tussah, also can be used for paper, leather and casein plastic dyeing.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 6-7 | 2-3 | 3 | 3 | 2 | |||
AATCC | 5-6 | 3 | 3 | 3 |
List of Suppliers:
Pontacyl Light Red 4BL( Classic Dyestuffs Inc )