Description
D-proline is an isomer of the naturally occurring amino acid, L-Proline
CAS Number. 344-25-2 ;
EINECS. 206-452-7 ;
Formula Weight: 115.13
Melting Point: 213°C to 215°C
Soluble in water (1620 g/L at 20°C), and acetone (slightly). Insoluble in ethanol.
Specification:
Assay: 98.0% ~101.0%
Specific rotation [α]D20: +83.5o to +86.5o
Loss on drying: 0.5% Max.
State of Solution (Transmittance): 95% Min.
Chloride [Cl]: 0.1% Max.
Heavy Metals (Pb): 10ppm Max.
As: 2ppm Max.
Residue on ignition(sulfated): 0.2% Max.