L-Leucine, 61-90-5, amino acid; nutrition

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L-Leucine Type: fine chemical; amino acid; nutritional supplement CAS : 61-90-5 Melting point 286-288℃ Water solubility 22.4 g/L (20 C) Standard: BP, USP, 99% Packing: 25 Kg net/drum Usage: L-Leucine is one of necessary amino acids, which can be nutrition food supplement, amino acid preparation, plant growth promotion, etc. FCC4 Item Limit Result Assay ≥98.5% 99.0% pH 5.5～7.0 6.03 Specific rotation[a]D20 +14.9°～+16.5° +15.13° Iron ≤50ppm <50ppm Heavy metals ≤30ppm <30ppm Lead(Pb) ≤10ppm <10ppm Arsenic(As) ≤ 3ppm <3ppm Loss on drying ≤0.10% 0.06% Residue on ignition ≤0.10% 0.04% AJI92 Item Limit Result Assay 99.0～100.5% 99.9% pH 5.5～6.5 5.6 Specific rotation[a]D20 +14.9°～+16.0° +15.6° State of solution clear & colorless clear & colorless (Transmittance T430) ≥98.0% 98.8% Chloride(Cl) ≤0.020% <0.020% Ammonium(NH4) ≤0.02% <0.02% Sulfate(SO4) ≤0.020% <0.020% Iron(Fe) ≤10ppm <10ppm Heavy metals(as Pb) ≤10ppm <10ppm Arsenic(As2O3) ≤1ppm <1ppm Other amino acids conform conform Loss on drying ≤0.20% 0.11% Residue on ignition ≤0.10% 0.07% USP24 Item Limit Result Assay 98.5～101.5% 99.8% pH 5.5～7.0 6.0 Specific rotation[a]D20 +14.9°～+17.3° +15.7° Chloride ≤0.05% <0.05% Sulfate ≤0.03% <0.03% Iron ≤30ppm <30ppm Heavy metals ≤15ppm <15ppm Arsenic(AS) ≤1.5ppm <1.5ppm Loss on drying ≤0.20% 0.12% Residue on ignition ≤0.40% 0.01% Organic volatile impurities conform conform * * * Thanks for your time, please Contact: Mike Hu (Mr.) Gmail: ycgsales03@yccreate.com Skype: mikehoo1980 * * *

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Wuhan Yuancheng Gongchuang Technology Co.Ltd.

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