|
Molecular formula : C37H27N3NaO2S3 MW : 799.810 CAS No. :28983-56-4
nature : flashing red-brown powder. Extreme cold water and hot water soluble, blue. Alcohol-soluble blue was green. Case of concentrated sulfuric acid was reddish brown, its diluted shown as blue-purple.
Preparation : Fuchsine and after condensation of aniline with fuming sulfuric acid sulfonation, and in using sodium carbonate, and then sulfuric acid derived. Commodities-red (100%) 370 1512 aniline sulfate (99%) 460 oleum (104.5%) 1016 p 10 7 Sodium Sulfate Sodium carbonate (98%) 255
purposes : mainly for the manufacture of Chunlan and Black ink can be used amylin color Preparation for Yintai blue ink. Silk can be used for thick, cotton and leather dyeing and biological coloring, as well as the indicator.
Notice:Each item can have many explanations from different angels. If you want grasp the item comprehensively,please see below "more details data". |