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| Appearance | White crystalline powder or crystals |
| Specific Rotation(°) | +14.9 - +17.3 |
| Assay % | 98.5-101.5% |
| Mesh Size | 80 mesh |
| Bulk density(g/ml) | About 0.35 |
| State solution | Colorless and transparent clarification |
| Loss on drying % | =0.2 |
| Residue on ignition % | =0.4 |
| Chloride(%) | =0.05 |
| Sulfate(%) | =0.03 |
| Iron(%) | =0.003 |
| PH | 5.0-7.0 |
| Arsenic (as As) % | =0.0001 |
L-leucine Food Additive feature: White shiny hexahedron crystals or white crystalline powder. Slightly bitter. Sublimation at 145 ~ 148 ?. Melting point 293 ~ 295 ? (decomposition). In the presence of hydrocarbons, in the inorganic acid aqueous solution stability. Each dissolved in 40 ml of water and about 100 ml of acetic acid. Slightly soluble in ethanol, soluble in dilute hydrochloric acid and alkaline hydroxide and carbonate solution. Insoluble in ether.
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 | L-leucine food additive as the Nutritional supplements. Generally used for bread, flour products, can be used as spices, can improve the food flavor. |
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