L-LEUCINE 99% LR 
Block B10-16 
Assay (by HClO4 titration; on dried basis) Min 99.5 %
pH (5% solution in water) 10 - 11
Melting point 169 - 171°C
Chloride (Cl) Max 0.001 %
Sulfated ash Max 0.01 %
Water (H2O) Max 0.5 %
Absorbance (A1%/1cm; 10% in water) -
at 260 nm Max 0.02
at 280 nm Max 0.02
at 300 nm Max 0.02
at 405 nm Max 0.004
at 430 nm Max 0.004
Biological buffer at 25°C pKa 8.07
Appearance White crystalline powder
| CAS No. | 77-86-1 |
|---|---|
| Molecular Formula | NH2C(CH2OH)3 |
| Molecular Weight | 121.14 |
| HS Code | 2922.1980 |
| Symbol | GHS07 |
| Signal Word | Warning |
| Packing | 500 G |
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