USD $0.10-0.20 / Kilogram
USD $45.00-50.00 / Gram
USD $3.00-10.00 / Kilogram
yellow or light brown light without crystal powder ; odourless, has a special odor, very acerbity. soluble in water and ethanol, soluble in glycerin, hardly soluble in ether, chloroform and benzene. its aqueous solution and ferric salt solution meet blue-black, add sodium sulfite can delay the discoloration. in industry, tannic acid is widely used in tanning and manufacturing blue ink. tannic acid can make protein coagulation. people put the pig skin, cowhide chemical treatment with tannic acid, can make the rawhide soluble protein in the set. so, had put a few days will smells rotten raw hides, turned into a beautiful, clean, flexible, durable leather. this kind of leather making process, called leather tanning
tannic acid basic information |
product name: | tannic acid |
synonyms: | tannic acid source: chinese natural gall nuts;tannic acid tested according to ph.eur.;tannic acid vetec(tm) reagent grade;tannic acid(pharmaceutical/tech/dyes/food grade);tannic acid 1kg;penta-(n-digalloyl)glucose;tannic acid powder, extra pure, u. s;tannic acidacs reagent, ≥ 95% (assay) |
cas: | 1401-55-4 |
mf: | c76h52o46 |
mw: | 1701.2 |
einecs: | 215-753-2 |
product categories: | inhibitors;catechins & tannins;-;plant extract;food additive and acidulant |
mol file: | 1401-55-4.mol |
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