what is Quercetin
Product physical and chemical properties
| Product Name: Quercetin |
| CAS:117-39-5 |
| EINECS No.: 204-187-1 |
| Plant Latin name: Citrus limon(L.)Burm. |
| Molecular formula: C15H10O7 |
| Molecular weight: 302.236 |
| Product specifications: 98% |
| Detection method: HPLC |
| Density: 1.799g/cm3 |
| Melting point: 314 - 317 ºC |
| Boiling point: 642.4 ºC |
| Flash point: 248.1 ºC |
| Refractive index: 1.823 |
| Physical properties: Yellow needle-like crystalline powder |
| Solubility: Slightly soluble in water, easily soluble in alkaline aqueous solution |
| EST ITEMS |
SPECIFICATION |
RESULTS |
| Description |
White or Almost White Crystalline Powder |
white powder |
| Assay |
97.0~103.0% |
99.3% |
| Specific Rotation |
+101°~+105° |
+102.6° |
| Loss On Drying |
1.0%max |
0.27% |
| Organic Volatile Impurities |
meets the requirement. |
Conforms |
| Related Substances |
meets the requirement. |
Conforms |
| Residual Solvents |
meets the requirement. |
Conforms |
Q1: How can I get the new price of a product?
A: Please provide the exact or approximate quantity, packing details, destination port or special requirements, then we could give you the price accordingly.
Q2: What is your terms of payment?
A: TT Transfer, CAD, L/C, All is available.
Q3: How can I get a sample?
A: We can provide free samples for your test.
Q4: Do you have MOQ ?
A: Yes, but low MOQ for sample checking is available.
Q5: How do you garantee the quality?
A: First of all, our quality control will reduce the quality problem to near zero. When the production is finished, they'll take samples from every batch of cargo, and send to our lab for inspection. After passed the inspection, then we will arrange the delivery.
Q6: How about your after-sale service ?
A: If any technical or quality problem after you receive the cargo, you can contact us any time. If the problem caused by us, we will send you free goods for replacement or refund your loss.
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