Vat Red 31 Chemical Properties

EPA Substance Registry System

9,10-Anthracenedione, 2,2'-(1,3,4-oxadiazole- 2,5-diyl)bis[1-amino-(12227-47-3)

Vat Red 31 Usage And Synthesis

Preparation

1-Amino-9,10-dioxo-9,10-dihydroanthracene-2-carbonyl chloride?and O-dichlorobenzene hydrazine?condensation, with fuming sulfuric acid dehydration cyclization.

Properties and Applications

blue light red. Blue light red powder. Alkaline reduction leuco for caramel, acid reduction leuco for yellow brown. Mainly used for dye spell with red light grey or brown, can be used for cotton direct printing. Also can be used in the manufacture of Vat Blue ER, instead of ice dye dyeing flag when a little dark red color.

Vat Red 31(12227-47-3)Related Product Information

• Vat Red 38
• Vat Red 33
• benzo[a]naphth[2,3-h]acridine-5,8,13(14H)-trione
• 2-Hydroxy-3-[(3-methylphenyl)amino]naphtho[2,3-f]quinoxaline-7,12-dione
• C.I. Vat Red 30
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• Vat Red 39
• Vat Red 10
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• Vat Red 32
• Vat Red 14
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• Vat Red 41
• 1-AMINOANTHRACENE