Solvent Violet 11 CAS 128-95-0

Violet 11 CAS 128-95-0 Information

quality
Dark purple needle crystals (in pyridine) or purple crystals. Melting Point: 268°c. Soluble in benzene, pyridine, nitrobenzene, aniline, slightly soluble in hot acetic acid, ethanol. The solution is almost colorless in concentrated sulfuric acid, and it is blue-red after adding boric acid.

Method
Hydroquinone and phthalic anhydrone are condensed to obtain 1,4-hydroxyanthraquinone, refined with sodium hypochlorite, and then ammoniated to obtain 1,4-= aminoquinone cryptochromone, and then oxidized with oleum to obtain the finished product.

use
Anthraquinone vat dyes, disperse dyes, acid dyes intermediates, itself disperse dye violet.

security
Human LD 1~2g/kg. Rats were intraperitoneally injected with LD100 500mg/kg. See 1,5-= aminoanthraquinone.
It is packed in a plastic bag lined with iron drums, and the net weight of each drum is 50kg. Store in a ventilated place, protected from sun and moisture.