L-Threonine
L-Thr, 2-Amino-3-hydroxybutanoic Acid
- CAS
- 72-19-5
- EC
- 200-774-1
- Sectors
- Animal Nutrition, Nutraceuticals & Supplements, Pharma & Healthcare
L-Threonine (CAS 72-19-5) is an essential amino acid that appears as a white crystalline powder with a sweet taste, contributes to protein synthesis and collagen structure, and is used in feed additives, pharmaceuticals and dietary supplements.
Typical Properties
| Molecular formula | C4H9NO3 |
|---|---|
| Molecular weight | 119.12 g/mol |
| Appearance | White crystalline powder |
| Form | powder |
| Color | Yellow |
| Melting point | 256 °C (decomp) |
| Density | 1.00125 g/cm³ (Solid) @ Temp: 25 °C |
| Water solubility | 90 g/L (20 °C) |
| pH | 5-6 (100g/l, H2O, 20°C) |
| HS code | 29225000 |
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.
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L-Threonine
Applications
Used in feed additives, pharmaceuticals, and dietary supplements. It supports growth, liver function, and immune system regulation.
Safety & Risks
Non-toxic and stable; avoid moisture exposure to maintain powder integrity.
Packaging
Supplied in 25 kg PE-lined paper bags or drums. Store cool, dry, and sealed.