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Name:C.I.Vat Green 8,C.I.71050
Molecular Structure: anthraquinones
Molecular Formula:C70H28N4O10
Molecular Weight: 1084.99
CAS Registry Number:14999-97-4
Manufacturing Methods : 1-Aminoanthracene-9,10-dione and 1,4,5,8-Tetrachloroanthracene-9,10-dione in copper and Nitrobenzene under the existence of condensation,And then cyclized with aluminum chloride anthraquinone five four imine.
Properties and Applications: Olive green. Black powder. Insoluble in water, alcohol and organic solvents. The concentrated sulfuric acid is dark brown, olive green after dilution with precipitation; hydrosulfite in alkaline solution, light brown red; hydrosulfite in an acidic solution of olive color. Mainly used for dyeing cotton fiber. Applies to vat olive green b or brilliant green FPB fight with grass green, khaki, but also suitable for knitwear, yarn, cotton and polyester / cotton blended fabric dyeing. Printing less effective.
Standard Ironing Fastness Chlorine bleach Light Fastness Mercerized Oxygen bleach Soaping Fading Stain ISO 4 5 7 4-5 4 4-5 5 AATCC 5 4-5 7 4-5 4
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