Poly-L-lysine(ε-Polylysine, CAS:25104-18-1)
Here is the specification for ε-Polylysine hydrochloride
Color:Light Yellow Color
Status:Powder, no agglomeration, no odor
ε-Polylysine hydrochloride content, w/%:≥95
Loss on drying, w/%:≤8.0
PH (10g/L water solution):2.5-5.5
Lead (Pb)/(mg/kg):≤2.0
Total arsenic (calculated as AS)/(mg/kg):≤3.0
Residue on ignition, w/%:≤2.0
Colonies number(CFU/g or CFU/ml):≤10
Moulds(CFU/g or CFU/ml):≤10
