We are offering tannic acid. cas no.: 1401-55-4 synonms: tannin, gallotannic acid molecular formula: c76h52o46 botanical source: gall nut specification: >85% (hplc) industrial tannic acid, dye tannic acid, food tannic acid, pharmaceutical tannic acid appearance: yellowish to brownish powder storage: should be kept in a well-closed container shelf life: two (2) years package: 25kg/drum
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