Cobalt(II) acetate tetrahydrate CAS NO.6147-53-1

hebei yanxi chemical  co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. Seek development by credit reputation. Our products have big price advantage in Europe South America and so on .and Our company also has the advantage of high quality in Africa. in the past two years our products has reached more than 30 countries in the world, Europe. South America. North America, southeast Asia, Africa, etc. We welcome all over the world with the best quality and lowest price friend common cooperation and common development!

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Chemical properties:
Dark red monoclinic prismatic crystals. The relative density of anhydrous substance is 1.705 (18.7/4℃) at 140℃. Soluble in water, acid, alcohol. Slightly acetic acid odor, easy deliquescent.

Use:
Xylene oxidation catalyst, used for aluminum profile surface treatment, production of coating desiccant, printing and dyeing mordant, FRP curing accelerator and invisible ink.

Production method:
From cobalt metal or cobalt oxide as raw materials, reaction with nitric acid to prepare cobalt nitrate solution, and then react with ammonium bicarbonate (or soda ash) solution to produce cobalt carbonate precipitation; The precipitation was washed, separated, and acidified with acetic acid to obtain cobalt acetate. After filtration, the reaction solution was adjusted to pH=2, concentrated to the relative density of 1.17-1.20, and then 1kg acetic acid was added to the concentrated solution every 200L. The concentrated solution was crystallized for 7-10d under 20℃, centrifuged, and dried at 30-40℃ to obtain the finished product. The content of industrial grade cobalt acetate is not less than 45%. Raw material consumption quota: metallic cobalt (>99%) 265kg/t, acetic acid 1000kg/t, nitric acid 1100kg/t.