Quercetin CAS NO.117-39-5

ProName: Quercetin
CasNo: 117-39-5
Appearance: Fine Powder/Yellow, crystalline powder
Application: <span title="Quercetin soluble in glacial acetic acid, alkaline solution yellow, almost insoluble in water, ethanol solution;Taste very bitter.Can be used as a drug, has a good expectorant, cough, and there was a ">Quercetin soluble in glacial acetic ac...
ProductionCapacity: Metric Ton/Day
Purity: 99.73%
Storage: <span title="Store in Cool & dry place Keep away from strong light and heat">Store in Cool & dry place ...
LimitNum: 0 Metric Ton

Name: Quercetin
SKU: 117-39-5
Availability: InStock

high purity with good service and competitive price

Item	Specifiaction	Result
Assay
Assay (anhydrous substance) UV	99%	99.73%
Physical Tests
Appearance：	Fine Powder	Complies
Identification	Must positive	Complies
Color	Yellow, crystalline powder	Complies
Solubility	Practically insoluble in water	Complies
Solubility	Soluble in aqueous alkaline sol.	Complies
Melting point	305-315℃	310℃
Odor	Characteristic	Complies
Taste	Characteristic	Complies
Particle Size	100% Pass 100 Mesh	Complies
Chemical Controls
Loss On Drying	9.0-12.0%	10.2%
Sulphated ash	≤0.5%	0.06%
Heavy Metals	≤10 ppm	Complies
Arsenic (As)	< 2PPM	Complies
Lead (Pb)	< 0.5PPM	Complies
Cadmium (Cd)	< 0.5PPM	Complies
Mercury(Hg)	< 0.5PPM	Complies
Solvents Resides	0.01% Max	Complies
Microbiologicals
Total Plate Count	≤1000CFU/g	Complies
Yeast & mold	≤100CFU/g	Complies
E.coli	Negative	Negative
Salimonella	Negative	Negative