Description
Technical Parameters
Product Brief Introduction
Product name: L-Hydroxyproline
CAS: 3398-22-9
MF: C5H9NO3
MW: 131.13
Product Specification
|
Appearance |
White crystals or crystalline powder |
|
Identification (IR) |
Concordant with the reference spectrum |
|
Transmittance |
≥ 95.0% |
|
Specific Rotation |
-74.0°~-77.0° |
|
PH |
5.0~6.5 |
|
Loss on Drying |
≤ 0.2% |
|
Residue on Ignition |
≤ 0.1% |
|
Sulfate (SO42-) |
≤ 0.02% |
|
Chloride (Cl-) |
≤ 0.02% |
|
Ammonium (NH4+) |
≤ 0.02% |
|
Other Amino Acids |
≤ 0.5% |
|
Heavy Metals |
≤10ppm |
|
Arsenic |
≤1ppm |
|
Iron |
≤10ppm |
|
Assay |
98.5%~101.0% |



