Quercetin Dihydrate cas 6151-25-3  CHINA   MSDS 

.2H₂0

ANALYSIS ITEM		SPECIFICATION	RESULT		METHOD
Appearance		Yellow fine powder	Complies		Visual
Odor Sieve analysis		Characteristic 100%pass 80mesh	Complies Complies		Organoleptic 80 mesh Screen
Loss on Drying		1.0%Max	0.8%		105degree/3hrs
Residue on Ignition Bulk Density		0.2%Max 45-55g/100ml	0.15% 50.1g/100ml		750 degree/5hrs
Extract Solvent		Ethanol & Water	Complies
Heavy Metals		10ppm Max	Complies		USP28
As		2ppm   Max	Complies		AAS
Residual Solvents		Eur.Pharm.2000	Complies		GC
Total Plate Count		1000cfu/g  Max	133cfu/g		USP28
Yeast & Mold		100cfu/g    Max	25cfu/g		USP28
E.Coli		Negative	Complies		USP28
Salmonella		Negative	Complies		USP28
Assay
Quercetin		98.0% min	98.35%		UV
	Store in cool & dry place
	Keep away from strong light and heat