CAS No.: | 56-41-7, 56-41-7 |
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Appearance: | Powder |
Colour: | White |
L-Alanine Grade: | Feed Grade, Food Grade, Medicine Grade, Tech Grade |
Molecular Formula: | C3h7no2 |
Resource: | Natural |
Customization: |
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Item | GB25543-2010 | USP32 | FCCIV | AJI92 |
Appearance | white crystalline powder | |||
Assay | 98.5%~101.5% | 98.5%~101.0% | 98.5%~101.5% | 98.5%~101.0% |
Chloride | ≤0.02% | ≤0.02% | ||
Heavy metals (as Pb) | ≤0.001% | ≤15ppm | ≤0.002% | ≤0.001% |
Lead | ≤10mg/kg | |||
Arsenic | ≤ 0.0001% | <0.0001% | ≤ 0.0001% | |
Iron | ≤0.001% | ≤0.001% | ||
Ammonium ( NH4) | ≤0.02% | ≤ 0.02% | ||
SO4 | ≤0.02% | |||
pH (5%in water) | 5.7~6.7 | 5.5~7.0 | 5.7~6.7 | |
Loss on drying | ≤0.2% | ≤0.2% | ≤0.3% | ≤0.20% |
Reside on ignition(as sulphate ash) | ≤0.2% | ≤0.1% | ≤0.2% | ≤0.10% |
Specific optical rotation | +13.5°~ +15.5° | +14.3°~ +15.2° | +13.5°~ +15.5° | +14.3°~ +15.2° |
Transmittance | ≥98.0% | ≥98.0% | ||
Solubility | colorless clear | |||
(Other amino acids) | qualified | qualified |
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