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L-Proline Powder
CAS NO.147-85-3
Description:
White crystals or crystalline powder; slightly sweet taste. Very soluble in water, freely soluble in glacial acetic acid, sparingly soluble in ethanol, practically insoluble in ether.
Quality and Standard:
Item | CP2010 | EP6 | AJI92 | USP32 |
Assay | ≥99.0% | 98.5~101.0% | 98.5~101.0% | 98.5~101.5% |
pH | 5.9~6.9 |
| 5.9~6.9 |
|
Specific rotation[a]D020 | -84.5°~-86.0° | -84.0°~-86.0° | -84.5°~-86.0° |
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[a]D025 |
|
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| -84.3°~-86.3° |
Transmittance(T430) | clear & colorless | clear & colorless | ≥98.0% |
|
Chloride(Cl) | ≤0.02% | ≤0.02% | ≤0.02% | ≤0.05% |
Ammonium(NH4) | ≤0.02% | ≤0.02% | ≤0.02% |
|
Sulfate(SO4) | ≤0.02% | ≤0.03% | ≤0.02% | ≤0.03% |
Iron(Fe) | ≤10ppm | ≤10ppm | ≤10ppm | ≤30ppm |
Heavy metals(Pb) | ≤10ppm | ≤10ppm | ≤10ppm | ≤15ppm |
Other amino acids | ≤0.5% | ≤0.5% | Conforms | Conforms |
Loss on drying | ≤0.30% | ≤0.50% | ≤0.30% | ≤0.40% |
Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.40% |
Endotoxin | ≤10EU/g |
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If you are interested in our L-Proline CAS NO.147-85-3 , please feel free to contact us for more details.
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Joanne
Henan Kingway Chemicals Co.,Ltd.
Tel:+86 371 65336572
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