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L-Leucine
|
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|
C6H13NO2
131.17
L-Leucine |
|
L-Leucine
[61-90-5] |
| » Leucine
contains not less than 98.5 percent and not more than 101.5
percent of C6H13NO2, as L-Leucine, calculated on the dried basis. |
|
Packaging and storage— Preserve in well-closed containers.
|
| Identification: Infrared
Absorption. |
| Specific rotation |
between +14.9°and
+17.3° |
| pH |
between 5.5and
7.0 |
| Loss on drying |
not more than
0.2% |
| Residue on ignition |
not more than 0.4% |
| Chloride |
0.05% |
| Sulfate |
0.03% |
| Iron |
0.003% |
| Heavy metals |
0.0015% |
| Chromatographic purity |
not
more than 0.5% (individual impurity)
not more than 2.0% (total impurity) |
| Organic volatile impurities |
meets the requirements |
| Assay |
not
less than 98.5 percent and
not more than 101.5 percent
of C9H11NO3 |
