Pallets Packing | 20'FCL | 40'FCL | ||
With | Without | With | Without | |
25KG/Fibre Drum
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9 MT
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CAS No. : 72-18-4
Molecular formular: C5H11NO2
Molecular weight: 117.15
L-Valine | USP24 | EP6.0 |
Description | White crystals or crystalline powder, Slightly bitter taste | White or almost white, crystalline powder or colourless crystals. |
Solubility | / | Soluble in water,very slightly soluble in alcohol |
Identification | / | Conform |
Appearance of solution | / | Clarity of solution:2.5% water solution should be clear. |
Colour of solution:2.5% water solution should be not more intensively coloured than reference solution BY6. | ||
Specific rotation | +26.6°~ +28.8° | +26.5° ~ +29.0° |
Assay | 98.5%~101.5% | 98.5%~101.0% |
pH | 5.5~7.0 | / |
Chloride(Cl) | ≤0.05% | ≤200ppm |
Sulfate | ≤0.03% | ≤300ppm |
Ammonium | / | ≤200ppm |
Iron(Fe) | ≤30ppm | ≤10ppm |
Arsenic (As) | ≤1.5ppm | / |
Heavy metals(Pb) | ≤15ppm | ≤10ppm |
Loss on drying | ≤0.30% | ≤0.50% |
Residue on ignition | ≤0.10% | ≤0.10% |
Ninhydrin-positive | ≤100CFU/g | Conform |
Organic volatile impurities | Conforms | / |