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Product Description
(-)-Epigallocatechin gallate#989-51-5
(-)-epigallocatechin 3-gallate is a gallate ester obtained by the formal condensation of gallic acid with the (3R)-hydroxy group of (-)-epigallocatechin. It has a role as an antineoplastic agent, an antioxidant, a Hsp90 inhibitor, a neuroprotective agent, a plant metabolite, a geroprotector and an apoptosis inducer. It is a gallate ester, a polyphenol and a member of flavans. It is functionally related to a (-)-epigallocatechin.

(-)-Epigallocatechin gallate Chemical Properties |
Melting point | 222-224°C |
alpha | D -185 ±2°(ethanol) |
refractive index | -175.5 ° (C=1, EtOH) |
storage temp. | 2-8°C |
solubility | H2O: ≥5mg/mL, clear |
form | Solid |
Boiling point | 909.1±65.0 °C(Predicted) |
density | 1.90±0.1 g/cm3(Predicted) |
pKa | 7.75±0.25(Predicted) |
color | White to Light Brown |
biological source | green tea |
Water Solubility | Soluble in ethanol, dimethyl formamide, water. |
Merck | 14,3526 |
Stability: | Stable, but may be light sensitive. Incompatible with strong oxidizing agents. |
InChIKey | WMBWREPUVVBILR-WIYYLYMNSA-N |
LogP | 0.639 (est) |
CAS DataBase Reference | 989-51-5(CAS DataBase Reference) |
Safety Information |
Safety Statements | 24/25 |
WGK Germany | 2 |
RTECS | KB5200000 |
F | 10-23 |
HS Code | 29339900 |
Toxicity | LD50 oral in mouse: 2170mg/kg |
Product Usage
Green tea extract (CAS No. : 989-51-5) has a wide range of applications. In the medical field, it can assist in the treatment of cardiovascular diseases and cancer, and also help relieve the effects of alcohol, protect the liver and enhance the body's immunity. In the food industry, as an antioxidant and preservative, it is used in various foods such as meat products, oils, and fried foods, which can inhibit oxidation and rancidity, prevent spoilage and deterioration, and extend the storage period.
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