- ▸ Dietary supplements: Flavonoid raw material for capsule, tablet, and powder formats.
- ▸ Cosmetic antioxidant: Inhibits oxidative degradation of finished formulations (typical use around 0.1%).
- ▸ Natural colorant: Yellow flavonoid pigment for coloring applications.
A grade-specific Safety Data Sheet (SDS) — with the complete hazard classification, handling precautions, and transport information — is supplied with every shipment and available on request. Confirm all safety and regulatory details against the SDS for your specific grade.
Request SDS →The crystalline dihydrate of the plant flavonoid quercetin (CAS 6151-25-3; quercetin base C15H10O7). It is supplied as a dietary-supplement raw material and is also used as a free-radical-inhibiting antioxidant in cosmetic formulations and as a natural yellow colorant.
Frequently Asked Questions
What is quercetin dihydrate used for?
Quercetin dihydrate (CAS 6151-25-3) is supplied as a dietary-supplement raw material for capsule, tablet, and powder formats. It is also used as a free-radical-inhibiting antioxidant in cosmetic formulations (typical use around 0.1%) and as a natural yellow flavonoid colorant.
What is quercetin dihydrate 95% powder made from?
It is the crystalline dihydrate form of the plant flavonoid quercetin (quercetin base formula C15H10O7; dihydrate C15H14O9). The 95% designation refers to the assay of the powder supplied as a raw material.
How is quercetin dihydrate powder used in cosmetic formulations?
In cosmetics it functions as an antioxidant that inhibits oxidative degradation of the finished formulation, with a typical use level around 0.1%. It can also contribute a natural yellow flavonoid color depending on the matrix and loading.
What CAS number and HS code apply to quercetin dihydrate?
It is supplied under CAS 6151-25-3 and classified under HS heading 2932.99 (heterocyclic compounds with oxygen hetero-atoms only). Confirm the final import classification with your customs broker for the destination country.
What packaging, MOQ, and documentation are available for bulk quercetin dihydrate?
RawSource supplies quercetin dihydrate 95% powder to manufacturers in bulk with a CoA and SDS on request. Pricing varies with volume and market conditions; submit a bulk RFQ with your target quantity for pack sizes, MOQ, and lead time.