Vat Yellow 10

Preparation

4-(4-Nitrophenyl)benzic acid with glucose and sodium hydroxide reduction, then use Thionyl chloride processing generation of accidentally nitrogen compounds, and with N-(5-amino-9,10-dioxo-9,10-dihydroanthracen-1-yl)benzamide?(2 Moore) condensation.

Properties and Applications

Brilliant red light yellow. Yellow powder. After alkaline reduction of leuco for purplish red color, acidity of hidden color reduction for yellow brown body. Used for the cotton fabric dyeing, red light for yellow, this product is good levelness, to dead cotton cover is better.