CAS : 632-99-5
formula : C20H20ClN3
molecular weight : 337.85
melting point : 250 ° C
Chinese name : fuchsin; base magenta; magenta, magenta; scarlet, red aniline dyes
b _ English title : Basic magenta; C. I. Basic violet 14; 12,418 red; aizen magenta; PA red; astra fuchsine b; basic fuchsine; basic magenta e-200; basic violet 14 ; 4 - ((4-aminophenyl) (4-imino-2 ,5-cyclohexadien-1-ylidene) methyl) - 2-benzenamin
traits Description : yellow-green flash massive crystallization or sand bar. Dissolve in cold, hot water was red purple, easily soluble in alcohol red. Case was concentrated sulfuric acid yellow brown, almost colorless diluted. Its aqueous sodium hydroxide solution was added with red precipitation almost colorless liquid.
production methods : of aniline, p-toluidine and o-toluidine and nitrobenzene, ferrous chloride melt together, oxidative condensation, and then dissolved sulfate extraction, and then were, salting-out, filtration and drying derived products.
raw material consumption (kg / t) of toluidine hydrochloride 635 (31%) 210 1170 o-toluidine aniline sulfate 1900 470 Zinc Chloride (98%) 785 1000 nitrobenzene sodium hydroxide (100%) 970 pairs of Dinitrotoluene 360 calcium carbonate 330 ferrous chloride (98%) 800
purposes : for cotton, acrylic, silk, leather dyeing. With Acrylic fastness better. Can also be used for paper, feathers, straw, bamboo and wood color, the color can also be used to create shallow water.
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