L-Proline
Chemical Name：H-Pro-OH~(S)-Pyrrolidine-2-carboxylic acid
Molecular Formula：C5H9NO2
Molecular Weight：115.13
Cas No：[147-85-3]
Characteristics：White crystalline powder
Quality Standards：AJI97
| Item | Specification (AJI97) |
| Appearance | White crystals or crystalline powder |
| Assay,% | 99.0~101.0 |
| Specific Rotation | -84.5°~-86.0° |
| pH value | 5.9~6.9 |
| Loss on drying,% | ≤0.3 |
| Heavy Metals (as Pb),% | ≤0.001 |
| Residue on Iginition,% | ≤0.1 |
| Arsenic (as As),% | ≤0.0001 |
| Chloride,% | ≤0.02 |
| Amonium(NH4),% | ≤0.02 |
| Sulfate(SO4),% | ≤0.02 |
| Iron (Fe),% | ≤0.001 |
| Other amino acids | Not detd. |
ackage and Transport：With round paperboard drum 25kgs per drum.
Storage：Kept in a light-proof, well-closed, dry and cool place. The expiry date is for two years.
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