| ≥1 piece |
L-Alanine
1.CAS No.: 56-41-7
2.MF: C3H7NO23.Grade Standard: Tech Grade
4.Assay 98.5-100.5%
Quality Standard:
Item Requirement Color White Organization state Crystal or crystalline powder Content(dry base),w/% 98.5~101.5 Loss on dry,w/% max 0.20 pH (50g/L water solution) 5.7~6.7 Arsenic(As)/(mg/kg) 1 Heavy metals (Pb)/(mg/kg) max 10 Residue on ignition,w/% max 0.20 Specific Rotation αm(20°C,D)/[(0)·dm2·kg-1] +13.5~15.5
L-Alanine GB 25543-2010