Product Name：vat violet
Feature：
vat violet 1#/9#
Chemical Properties
Purple-brown (or blue black) powder. Insoluble in water, ethanol, acetone, soluble in benzene, slightly soluble in toluene, xylene, chloroform, nitrobenzene, o-chloro phenol, pyridine, tetralin. Alkaline hydrosulfite solution in blue, red in acidic solution was purple.
Use
Yan Zi RR reduction applicable to cotton, hemp, silk, dyeing and printing PVA is also used for cotton, sticky cotton, Victoria dyed cotton blended fabric. Also used to restore the blue and gray dyes such as dye dark blue, dark gray and other colors as well as manufacturing organic pigments.
Use
Mainly used for dyeing and printing of cotton fabrics can also be processed into pigment for coloring plastics
Production methods
Anthrone around benzene was synthesized by bromination, sulfide, into the ring condensation may vary purple anthrone (isoviolanthrone, CI60000), then that is obtained by chlorination products. After filtering, crushing, drying was finished.
Packing:25kgs/pp bag or at buyer's option
Payment:50% tt in advance and 50% paid by lc
Delivery time：two weeks after we recieved the deposit(for 1fcl)
Supply:1000mt/month
MOQ:1mt
