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L-Proline |
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Chemical Name: 2-Pyrrolidinecarboxylic acid; L(-)-Proline
Molecular Formula: C5H9NO2 
Molecular Weight: 115.13
Cas NO: [ 147-85-3 ]
Characteristics: White crystals or crystalline powder
Quality Standards: USP24, AJI92, FCC4 etc. |
Specification Sheet
(AJI92) |
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Expiry Period : 2 years
Packaging: 25kg / drum |
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Items |
Specifications |
Description |
White crystals or crystalline powder |
Assay, % |
99.0 ~ 101.0 |
Identification |
Infrared absorption spectrum |
Specific rotation,° |
-84.5 ~ -86.0 |
State of solution, % |
≥98.0 |
Chloride (Cl) , % |
≤0.020 |
Ammonium (NH4) , % |
≤0.02 |
Sulfate (SO4) , % |
≤0.020 |
Iron (Fe) , ppm |
≤10 |
Heavy metals (Pb) , ppm |
≤10 |
Arsenic (As2O3) , ppm |
≤1 |
Other amino acids |
Chromatographically not detectable |
Loss on drying , % |
≤0.30 |
Residue on ignition (sulfated) , % |
≤0.10 |
PH |
5.9 ~ 6.9 |
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