L-Leucine
L-Leu
- CAS
- 61-90-5
- EC
- 200-522-0
- Sectors
- Nutraceuticals & Supplements, Food & Nutrition, Pharma & Healthcare
L-Leucine (CAS 61-90-5) is an essential branched-chain amino acid that appears as a white crystalline powder, serving as a nutritional building block in supplements, sports drinks, food and pharmaceuticals, where it supports muscle protein synthesis, energy metabolism, tissue repair and endurance.
Typical Properties
| Molecular formula | C6H13NO2 |
|---|---|
| Molecular weight | 131.17 g/mol |
| Appearance | White crystalline powder |
| Form | powder |
| Color | White to Off-white |
| Odor | at 100.00?%. odorless |
| Melting point | 293 °C |
| Boiling point | 295 °C (approx) |
| Density | 1.32 g/cm³ |
| Water solubility | 22.4 g/L (20 C) |
| Flash point | 145-148°C |
| pH | 5.5-6.5 (20g/l, H2O, 20°C) |
| HS code | 29224995 |
| Grades available | Food Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
L-Leucine
Applications
Used in nutritional supplements, sports drinks, and pharmaceuticals for tissue repair and endurance support. In food processing, it enhances flavor and nutritional content.
Safety & Risks
Non-toxic and heat stable. Keep in dry storage to avoid clumping.
Packaging
Delivered in 25 kg fiber drums or PE-lined paper bags. Store cool, dry, and sealed.