CAS No.: | CAS 117-39-5 / 6151-25-3 |
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Formula: | C15h10o7 |
EINECS: | 616-396-9 |
Packaging Material: | Paper |
Storage Method: | Normal |
Shelf Life: | >12 Months |
Samples: |
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Test Description
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Standard
|
Results
|
Methods
|
Appearance
|
Yellow powder
|
Conforms
|
Visual method
|
Identification
|
IR
|
Conforms
|
IR
|
Odor
|
None to slight
|
Conforms
|
Smell
|
Particle size
|
100%Through 80 mesh
|
Conforms
|
CP2020
|
Heavy metals
|
≤l0ppm
|
< 10ppm
|
Colorimetry
|
AS
|
≤1ppm
|
< 1ppm
|
AAS
|
Hg
|
≤0.1ppm
|
<0.1ppm
|
AAS
|
Pb
|
≤1ppm
|
< 1ppm
|
AAS
|
Cd
|
≤1ppm
|
< 1ppm
|
AAS
|
Sulfate
|
≤0.1%
|
<0.1%
|
CP2020
|
Reducing sugar
|
Negative
|
Negative
|
GS
|
Water
|
≤12.0%
|
9.0%
|
KF
|
Sulphated ashes
|
≤0.2%
|
0.05%
|
CP2020
|
Assay(on dry product)
|
≥98.0%
≥95.0% |
99.9%
95.4% |
UV method
HPLC method |
Microbiological
-- Bacteria -- Yeast & Mould -- Salmonella -- Escherichia coli -- Staphylococcus aureus |
≤1000cfu/g ≤l00cfu/g Negative Negative Negative |
< 10cfu/g < 10cfu/g Negative Negative Negative |
CP2020 |
This product is tested according to in-house standard and the results meet the specifications.
|
Quercetin, offered by Nanjing Jiayi Sunway Chemical Co., Ltd., is a natural compound known for its medicinal properties. Soluble in glacial acetic acid, this yellow substance exhibits expectorant and antitussive effects, making it beneficial for respiratory health. It also aids in reducing blood pressure, enhancing capillary resistance, and dilating coronary arteries.
Quercetin is a versatile medicine that can improve respiratory health and cardiovascular function, making it a valuable addition to your healthcare regimen.
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