Theaflavin-3'-gallate(CAS: 28543-07-9)

Theaflavin-3'-gallate (CAS: 28543-07-9) is a crystalline compound with a molecular weight of approximately 638.2 g/mol. It has a high solubility in methanol and ethanol, moderate solubility in water, and poor solubility in non-polar solvents. Chemically, it exhibits good stability under acidic conditions and moderate reactivity with bases.

Theaflavin-3'-gallate (CAS: 28543-07-9) is synthesized through a series of reactions starting from theaflavin, where the 3'-hydroxy group is converted to a gallate ester. Common synthetic methods include esterification with gallic acid under basic conditions, followed by purification techniques such as recrystallization and chromatography.

Theaflavin-3'-gallate (CAS: 28543-07-9) is primarily used in the pharmaceutical industry due to its antioxidant and anti-inflammatory properties. It is also found in food additives, cosmetics, and nutraceuticals. Additionally, it has applications in the polymer industry for antioxidant agents.

When handling Theaflavin-3'-gallate (CAS: 28543-07-9), it is important to wear appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. Ensure proper ventilation and use a fume hood to minimize inhalation risks. Store it in a cool, dry place away from heat sources. In case of spills, immediately clean up using appropriate absorbents and refer to the Safety Data Sheet (SDS) for further guidance.