Quercetin (CAS 117-39-5)

Products & Informations

Quercetin is a natural flavonoid found abundantly in vegetables and fruits.


  1. Used as antioxidant and anti-inflammatory
  2. Used as natural Pigment


  • soluble in alcohol and lipids, but poorly soluble in hot water and insoluble in water.

Toxicological Information

LD50 oral, rat 161mg/kg



  • flammable materials should be stored in a separate safety storage cabinet or room
  • ground all equipment containing material
  • keep away from heat
  • keep away from sources of ignition
  • keep container tightly closed
  • keep in a cool, well-ventilated place
GHS Hazard Statements
H-Code H301
P-Code P264/270
Response P301+P310+P330
Storage P405
Disposal P501

S-phrases: S45 | R-phrases: R25;R40


The above information is believed to be accurate and presents the best explanation currently available to us. We assume no liability resulting from above content. The technical standards are formulated and revised by customers’ requirement and us, if there are any changes, the latest specification will be executed and confirmed in the contract.


Appearance Yellow to Yellow Green Crystalline Powder
Assay (Quercetin dehydrate), % 95 min