Acid Green 34
Name:C.I.Acid Green 34,C.I.27520
Molecular Structure: Double azo class
Molecular Formula:C27H16N4Na2O8S
Molecular Weight: 602.48
CAS Registry Number:8015-02-9
Manufacturing Methods : 3-Amino-2-hydroxybenzoic acid diazo, and Naphthalen-1-amine coupling, its product to diazo, and 4,5Dihydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications: dark blue light green. Soluble in water for dark, and adequate soluble in ethanol to blue. The strong sulfuric acid in turquoise, diluted into purple. In water solution to join strong hydrochloric acid for violet black; Add thick sodium hydroxide solution for dark.
Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 2 | 5 | 5 | 4-5 | 5 |
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