Product Name: L-Leucine
Molecular Formula: C6H13NO2
Molecular Weight: 131.17
CAS No. 61-90-5
L-Leucine (fermentation) | CP2020 | EP10 | AJI92 | USP24 | USP43 |
content | ≥98.5% | 98.5-101.0% | 99.0-100.5% | 98.5-101.5% | 98.5-101.5% |
acidity | 5.5-6.5 | / | 5.5-6.5 | 5.5-7.0 | 5.5-7.0 |
Specific rotation [a]D 20 | +14.9°-+16.0° | +14.5°-+16.5° | +14.9°-+16.0° | / | / |
Specific rotation [a]D 25 | / | / | / | +14.9°-+17.3° | +14.9°-+17.3° |
Light transmission | ≥98.0% | clear & colorless ≤BY6 | ≥98.0% | / | / |
chloride | ≤0.02% | ≤0.02% | ≤0.02% | ≤0.05% | ≤0.05% |
Ammonium salt | ≤0.02% | ≤0.02% | ≤0.02% | / | / |
Sulfate | ≤0.02% | ≤0.03% | ≤0.02% | ≤0.03% | ≤0.03% |
Iron salt | ≤10PPM | ≤10PPM | ≤10PPM | ≤30PPM | ≤30PPM |
Heavy metal | ≤10PPM | / | ≤10PPM | ≤15PPM | / |
Arsenic | ≤1PPM | / | ≤1PPM | ≤1.5PPM | / |
Other amino acids | ≤0.5% | / | conforms | / | individual impurities≤0.5% total impurities≤2.0% |
Ninhydrin active substance | / | Impurity A at 570 nm≤0.8% each impruity ≤0.2% total ≤1.0% | / | / | |
Loss on drying | ≤0.20% | ≤0.50% | ≤0.20% | ≤0.2% | ≤0.2% |
Residue on ignition | ≤0.10% | ≤0.10% | ≤0.10% | ≤0.4% | ≤0.4% |
Organic volatiles | / | / | / | conforms | / |
Endotoxin | <25EU/g | / | / | / | / |
The professional supplier of food ingredients & additives, SCM Pioneering Co., Ltd is an emerging growth enterprise located in China (Shandong) Pilot Free Trade Zone.
The company was established by a group of experts who have more than twenty years of industry-related experiences, and committed to the development of products that are beneficial to human health and safety.
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