tannic acid

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tannic acid

[′tan·ik ′as·əd]
(organic chemistry)
C14H10O9 A yellowish powder with an astringent taste; soluble in water and alcohol, insoluble in acetone and ether; derived from nutgalls; decomposes at 210°C; used as an alcohol denaturant and a chemical intermediate, and in tanning and textiles. Also known as digallic acid; gallotannic acid; gallotannin; tannin.
C76H52O46 Yellowish-white to light-brown amorphous powder or flakes; decomposes at 210-215°C; very soluble in alcohol and acetone; used as a mordant in dyeing, in photography, as a reagent, and in clarifying wine or beer. Also known as pentadigalloylglucose.
References in periodicals archive ?
Tannin and Tannate from the Quebracho Tree: An Eco-Friendly Alternative for Controlling Marine Biofouling.
One of the products, Tannate 12 D S, a generic version of Tussi(R) 12 D S remains the subject of patent litigation.
issued a press release stating that it "plans to begin shipments of its Tannate 12 D S cough and cold product in the near future" but that it "may still be subject to liability based on a claim of patent infringement for sales of Tannate 12 D S.
The company markets Respi-TANN(R) (carbetapentane tannate 25mg, pseudoephedrine tannate 75mg) and the Histex(TM) line of products for respiratory symptoms associated with allergies, sinusitis, bronchitis, and the common cold.
The increase was primarily due to higher sales of the Company's core generic products, as well as the continued success of the Company's Urea line, offset partially by lower sales of the Company's tannate based products.
The increase is primarily due to increased sales of Promethazine products as well as the continued success of the Company's Urea products, offset partially by lower sales of the Company's Tannate based products.