Genistein
Cas No.:446-72-0
Standard:98%
Synonym: 4',5,7-Trihydroxyisoflavone
Molecular Formula: C15H10O5
Molecular Weight: 270.24
Molecular Structure: 
Part Used:Flower
Solvents Used:Water&Ethanol
Botanical Source :Sophora japonica
Country of Origin :China
Specification:
Analysis
|
Specification
|
Method
|
Color
|
Light yellow
|
Organoleptic
|
Odour
|
Characteristic
|
Organoleptic
|
Appearance
|
Fine powder
|
Organoleptic
|
Analytical Quality
|
Identification
|
Identical
|
to
|
Genistein
|
≥98.0%
|
HPLC(on anhydrous basis)
|
Sieve
|
Analysis
|
100%
|
Water(KF)
|
≤1.0%
|
Eur.Ph.7.0[2.5.12]
|
Total
|
Ash
|
≤1.0%
|
Bulk
|
Density
|
25-45g/100ml
|
Tap
|
Density
|
35-44g/100ml
|
Contaminants
|
Pb
|
≤3.0ppm
|
Eur.Ph.7.0<2.2.58>ICP-MS
|
As
|
≤2.0ppm
|
Eur.Ph.7.0<2.2.58>ICP-MS
|
Cd
|
≤1.0ppm
|
Eur.Ph.7.0<2.2.58>ICP-MS
|
Hg
|
≤0.1ppm
|
Eur.Ph.7.0<2.2.58>ICP-MS
|
Solvents
|
Residue
|
Meet
|
Pesticides
|
Residue
|
Meet
|
Microbiological
|
Total of Plate Count
|
<1000cfg/g
|
USP34<61>
|
Yeast&Mold
|
<100cfg/g
|
USP34<61>
|
Salmonella
|
Negative
|
USP34<62>
|
E.Coli
|
Negative
|
USP34<62>
|
Package:paper-drums and two plastic-bags inside, N.W.:25KG ID.35*H51CM
Storage :cool & dry
Shelf life:24Months