{"product_id":"acide-tannique-cas-n-1401-55-4","title":"Tannic Acid - CAS No. 1401-55-4","description":"\u003ch2\u003eTannic Acid \/ Tannin 25kg\u003c\/h2\u003e\u003ch3\u003eProduct Summary\u003c\/h3\u003e\u003cp\u003eTannic acid is a mixture of esters of glucose with gallic acid and 3-galloylgallic acid derived from various plant extracts rich in this compound, such as gall nuts (galls) and tara seeds (Caesalpinia spinosa). The chemical formula of tannic acid is C76H52O46.\u003cbr\u003e Tannins have been known since Antiquity, when they were used for the tanning of hides.\u003cbr\u003e In its natural state, tannin and tannic acid are found in many plants, for example in vines (grape seeds, grape skins, leaves) and oak (bark, wood, leaves). It is this substance that gives red wine, tea or coffee their astringent character.\u003c\/p\u003e\u003cp\u003eWe offer tannic acid in powder form, in 25 kg bags, intended for professionals. The technical grade is the one we offer by default; food grade is available on request.\u003c\/p\u003e\u003cp\u003eFrench names: Acide gallotannique, Acide tannique. English names: digallic acid, gallotanic acid, gallotannin, glycerite, tannic acid\u003c\/p\u003e\u003ch3\u003eMAIN FUNCTIONS\u003c\/h3\u003e\u003cp\u003eTannic acid is used to passivate corrosion on metals such as iron, and it can also be used to produce iron gall inks.\u003c\/p\u003e\u003ch3\u003eINDUSTRIAL USE\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLeather industry: tanning of hides (softening and protection against decomposition)\u003c\/li\u003e\n\u003cli\u003eTextile industry: fabric dyeing\u003c\/li\u003e\n\u003cli\u003eInk industry: manufacture of iron gall ink\u003c\/li\u003e\n\u003cli\u003eRubber industry: coagulation of rubber\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e \u003c\/p\u003e\u003cp\u003eOther possible uses, with other grades:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFood industry: manufacture of food coloring E181, flavoring agent, food additive\u003c\/li\u003e\n\u003cli\u003ePharmaceutical industry: used in the composition of medications for hemorrhoids and gastroenteritis,\u003c\/li\u003e\n\u003cli\u003eCosmetic industry: creams for the treatment of acne problems, shampoo to reduce dandruff\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePROFESSIONAL USE\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVeterinary medicine: antidiarrheal astringent\u003c\/li\u003e\n\u003cli\u003eWinemaking and brewing: clarification of beer and wine (fining of white and rosé wine)\u003c\/li\u003e\n\u003cli\u003eHair care: used in taninoplasty, a hair straightening method\u003c\/li\u003e\n\u003cli\u003eAutomotive mechanics: rust converter. Phosphoric acid can also be used.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOTHER COMMON USES\u003c\/h3\u003e\u003cp\u003eNutraceutical: used in dietary supplements for free-radical scavenging, antioxidant action, and prevention against UV damage and skin aging\u003c\/p\u003e\u003ch3\u003eUSAGE TIPS\u003c\/h3\u003e\u003cp\u003eTreatment of rusted iron: clean the surface, then prepare one liter of tannic acid solution at 10% concentration. Mix 800 mL of deionized water and 50 mL of ethanol. Heat over low heat. Gradually add 100 g of tannic acid, while mixing.\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003cdiv id=\"aircall-extension-app\"\u003e\u003cdiv data-test=\"shadow\" style=\"position: fixed; z-index: 2147483647;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-test=\"banner-list\" class=\"Box-sc-14d2slk-0 dJQrlh\"\u003e\u003c\/div\u003e\u003cdiv data-test=\"toast-list\" class=\"Box-sc-14d2slk-0 dYsbAy\"\u003e\u003c\/div\u003e\u003cdiv id=\"aircall-extension-app\"\u003e\u003cdiv data-test=\"shadow\" style=\"position: fixed; z-index: 2147483647;\"\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv data-test=\"banner-list\" class=\"Box-sc-14d2slk-0 dJQrlh\"\u003e\u003c\/div\u003e\u003cdiv data-test=\"toast-list\" class=\"Box-sc-14d2slk-0 dYsbAy\"\u003e\u003c\/div\u003e","brand":"Arcane Industries","offers":[{"title":"25kg Bag","offer_id":53213142352199,"sku":"6300714","price":417.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/6136\/0711\/files\/acide-tannique-cas-n-1401-55-4.jpg?v=1782752227","url":"https:\/\/www.arcane-direct.com\/en\/products\/tannic-acid-cas-n-1401-55-4","provider":"Arcane Direct","version":"1.0","type":"link"}