Specifications
l-valineCAS No.: 72-18-4
EC No.: 200-773-6
Formula: C5H11NO2
l-valine
DETAILED DELIVERY SPECIFICATIONS
Specific rotation[]D20: +27.6 to +29.0
State of solution(transmittance): Clear 98.0% min.
Chloride(Cl): 0.020% max.
Ammonium(NH4): 0.02% max.
Sulfate(SO4): 0.020% max.
Iron(Fe): 10ppm max.
Heavy metals (Pb): 10ppm max.
Arsenic(As2O3): 1ppm max.
Loss on drying: 0.20% max.
Residue on ignition(sulfated): 0.10% max.
Assay: 99.0% min.
PH: 5.5 to 6.5