gallotannic acid

Another name: Tannic acid

Molecular formula: C76H52O46

Molecular weight: 1434-1701.18

Properties: This product is pale yellow powder, have special smell, taste very acerbity, soluble in a water or ethanol, soluble in acetone, insoluble in chloroform

Specification: comply with the U.S. food and drug administration "food chemical specifications" 3 edition provisions and the food chemical code standards (1981) standards; The United States food the FCC to IV standard.

Main technical parameters;

Dry weightlessness: 9.0% or less

Tannic acid content: acuity 92%

Burning residua: 1.0% or less

Arsenic: more than 3 PPM

Heavy metal: 0.002% or less

Gum or dextrin experiment: qualified

Resin material experiment: qualified

Main application: Food antioxidants, preservative, drinks and alcohol clarify agent and soy sauce of decoloring agents

Storage: closed container

Packaging: Plastic woven bag, net weight: 25kg/bag