CAS:12227-50-8
Molecular formula:C54H32N4O6
Molecular weight:832.86
Properties: Yellow powder. It is brownish red in concentrated sulfuric acid, yellow in insurance powder acidic solution and jujube red in insurance powder alkaline solution.
Application: VAT yellow 33 is used for dyeing cotton fabric, which is bright yellow and red. It has high directness to cotton fiber and good levelness. It can be used for anti dyeing and discharge printing.
Structure: