L-Proline

L-Proline, Proline, cas 147-85-3
Molecule Formula,C5H9NO2
Molecule Weight,165.19
L-Proline
CAS No.: 147-85-3
Specification: AJI 97
Packing: In 25kg fiber drums
Functi
Items
Specifications
Appearance:
White crystals or crystalline powder
Specific rotation [a]D20:
-84.5° --- -86.0°
State of solution(Transmittance):
Clear and colorless, 98% min
Assay:
98.5 - 101.0%
Chloride(Cl
-
):
0.020% max
Sulfate(SO
4
2-
):
0.020% max
Ammonium:
0.020% max
Loss on drying:
0.30% max
Heavy metals(Pb):
0.0010% max
Arsenic:
0.0001% max
Iron(Fe):
0.0010% max
Residue on ignition:
0.10% max
Other amino acids:
Chromatographically not detectable
PH:
5.9 - 6.9