 |
L-Leucine
| Chemical Name£º |
(S)-2-Amino-4-methylpentanoic acid |
| Structure Formula£º |
 |
| Molecular Formula£º |
C6H13NO2 |
| Molecular Weight£º |
131.17 |
| Cas No£º |
[61-90-5] |
| Characteristics£º |
White crystals or crystalline powder, tasteless. |
| Quality Standards£º |
USP24, FCCIV and etc. |
| |
|
| Item |
AJI92 |
USP24 |
| Assay, % |
98.5~100.5 |
98.5~100.5 |
| PH Value |
5.5~6.5 |
5.5~7.0 |
| Specific rotation[a]D20¡ã |
+14.9¡ã~+16.0¡ã |
+14.9¡ã~+17.3¡ã |
| Chloride (CI) , % |
¡Ü0.02 |
¡Ü0.05 |
| Ammonium (NH4), % |
¡Ü0.02 |
- - - |
| Sulfate (as SO4), % |
¡Ü0.02 |
¡Ü0.03 |
| Iron (Fe), % |
¡Ü0.001 |
¡Ü0.03 |
| Heavy metals, % |
¡Ü0.001 |
¡Ü0.0015 |
| Arsenic, % |
¡Ü0.0001 |
- - - |
| Other amino acids, |
Not detd. |
- - - |
| Loss on drying, % |
¡Ü0.2 |
¡Ü0.2 |
| Residue on ignition, % |
¡Ü0.1 |
¡Ü0.4 |
| Organic volatile impurities, % |
- - - |
Conforms |
| |
|
| The Characteristics and Uses£º |
One of essential amino acids in human body, material of various amino acids drip-feed; curing burn, trauma, taint and brawn- restoration before&after operation; taking part in NH4 metabolic activity and protecting liver. |
| Package and Transport£º |
Fibre drum double polyethylene bags inside (25kgs) |
| Storage£º |
Cool, dry, dark in closed containers, recommended limit 2 years. |
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