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Product Name:Acid Black 194 140%
Molecular Structure: Single azo,calcium complex 
Molecular Formula:C20H12N3NaO7S
Molecular Weight: 461.38
CAS Registry Number:61931-02-0
Manufacturing Methods : 4-Amino-3-hydroxy-7-nitronaphthalene-1-sulfonic acid diazo, and Naphthalen-2-ol coupling, and then translate into 1:2 chromium complex.
Properties and Applications: ash to red and black. Dark brown powder, soluble in water. Used for wool, polyamide fiber, silk and their blended fabric dyeing and printing. Nylon fabric in good dye deep performance. Also can be used for leather color.
Counter Product:Acidol Black M-SRL,Orcolan Neutral Black BR
| Standard | Light Fastness | Soaping | Persperation Fastness | Oxygen bleaching | Fastness to seawater | |||
Fading | Stain | Fading | Stain | Fading | Stain | |||
ISO | 5 | 3-4 | 4-5 | 4-5 | 4-5 | |||
