L-LEUCINE 99+% FOR BIOCHEMISTRY
(S)-2-Amino-4-methylpentanoic acid
| Product Code | B-01538A | BRAND | Bio-Chem |
|---|---|---|---|
| Grade | For Biochemistry | CAS No | 61-90.5 |
| Purity | 99% | Molecular Weight | 131.13 |
| H.S.Code | 2922.49900 | Shelf Life | 60 Months |
| Molecular Formula | C6H13NO2 |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White shining powder |
|---|---|---|---|
| Solubility in water [% weight] | Soluble in water | Melting point/ Freezing point [°C] | >300 °C |
| Density [g/cm3] | 1.293 |
Packaging
Specification
| Appearance | White crystalline powder |
| Assay (by HClO4 titration) | Min 99.0% |
| Specific optical rotation ([?]20/D; c=4 in 6 M HCl; on dried substance) | +14.9 to +16.50 ° |
| pH (1% solution) | 5.5 – 7.0 |
| Appearance of solution | Passes test |
| Insoluble matter in HCl 1 mol/L | Passes test |
| Loss on drying (at 105°C) | Max 0.2% |
| Residue on ignition (as SO4) | Max 0.1% |
| Chloride (Cl) | Max 0.02% |
| Sulphate (SO4) | Max 0.03% |
| Iron (Fe) | Max 0.001% |
| Heavy metal (as Pb) | Max 0.001% |
| Ammonium (NH4) | Max 0.02% |
| Foreign amino acids | Max 0.3% |
| Other ninhydrin positive substances (as glycine) | Max 0.1% |
Safety Information and Hazard Symbols
Symbol: GHS02, GHS05
Signal Word: Danger