CAS:147-85-3
L-Proline
1.Introduce about L-Proline
Molecular Formula | C5H9NO2 |
Molecular Weight | 115.13 |
Melting point | 223°C |
Boiling Point | 252.2 °C at 760 mmHg |
Density | 1.186g/cm3 |
Refractive Index | 85 ° (C=4, H2O) |
Water | soluble >1000 g/L (20°C) |
Storage temp | Store at RT |
Uses:Proline its derivatives are often used as asymmetric catalysts inganic reactions. The CBS reduction proline catalysed aldol condensation are prominent examples.L-Proline is an osmoprotectant therefore is used in many pharmaceutical, biotechnological applications.In brewing, proteins rich in proline combine with polyphenols to produce haze (turbidity).
2.Packing
25KG per drum bag
3.Specification
Description | White crystals crystalline powder |
Identification | Conforms |
State Of Solution | Clear colorless |
Specific Rotation | -84.3° ~ -86.3° |
Chloride(CL) | ≤0.050% |
Sulfate(SO4) | ≤0.030% |
Ammonium(NH4) | ≤0.02% |
Heavy Metals(Pb) | ≤15ppm |
Iron(Fe) | ≤0.003% |
Arsenic(As2O3) | ≤1ppm |
Other Amino Acids | Conforms |
Loss On Drying | ≤0.40% |
Residue On Ignition | ≤0.40% |
Assay | 98.5% ~ 101.0% |
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