L-Proline CAS NO.147-85-3

Description: Other name: 2-pyrrolidinecarboxylic Acid. White powder. Molecular weight: 115.1. CAS#147-85-3. Specifications Typical Assay: 98.5% - 1…

Description: Other name: 2-pyrrolidinecarboxylic Acid. White powder. Molecular weight: 115.1. CAS#147-85-3. Specifications Typical Assay: 98.5% - 101.5% 99.6% Specific rotation [a]D 20: -83.7° - -85.7° -84.6° Loss on drying: 0.4% Max. 0.2% Residue on ignition: 0.4% Max. 0.06% Arsenic(As): 1.5 ppm Max. <1.5 ppm Chloride (Cl): 0.05% Max. <0.05% Iron (Fe): 30 ppm Max. <30 ppm Sulfate(SO4): 300 ppm Max. <300 ppm Heavy Metals(Pb): 15 ppm Max. <15 ppm Packaging: 25 Kg paper drum