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Product Name |
L-Leucine |
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Formula |
C6H13NO2 |
Molecular Weight |
131.17 |
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CAS NO. |
61-90-5 |
Quantity |
500KG |
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Items |
Specification |
Results |
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Appearance |
White powder |
Conforms |
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Assay |
99% | 99.15% |
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CONCLUSION |
The result conform with standard |
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Melting point > 300 ° C (lit.)
Boiling point 122-134 ° C (press: 2-3torr)
Specific rotation 15.4 º (C = 4,6nhcl)
Density: 1293g / cm3
Vapor pressure < 1hpa (20 ° C)
Refractive index 1.4630 (estimated) fema3297 | L-Leucine
Flash point: 145-148 ° C
Storage condition: 2-8 ° C
Solubility: 1mhcl: 50mg / ml
Form: Powder
Acidity coefficient (PKA) 2.328 (AT25 ℃)
Color: whitetoff white
PH 5.5-6.5 (20g / L, H2O, 20 ℃)
L-leucine, also known as lysine, is α- Amino- γ- Methylvaleric acid α- Aminoisohexanoic acid, with molecular formula of c6h13o2n. In 819, Proust was first isolated from cheese. Later, braconnot crystallized from the acid hydrolysate of muscle and wool and named it leucine.
