DL-ValineCAS：516-06-3
Superior Water‑Soluble Performance
DL‑Valine possesses outstanding aqueous solubility, which enables its easy incorporation into biochemical reagents, pharmaceutical formulations and nutritional supplements.
Robust Physical Stability
This compound features a relatively high melting point at roughly 295 °C along with a clear boiling point, supporting stable performance during long‑term storage and industrial manufacturing procedures.
Diverse Nomenclature & Chemical Versatility
Also termed DL‑α‑aminoisovaleric acid or DL‑2‑amino‑3‑methylbutyric acid, DL‑Valine can be flexibly applied in multiple scientific research and industrial scenarios.
High‑Grade Purity & Consistent Quality
DL-Valine (molecular formula: C₅H₁₁NO₂, molecular weight: approximately 117.15) is known by alternative chemical names, including DL-α-aminoisovaleric acid and DL-2-amino-3-methylbutyric acid. It presents as a white crystalline powder, with a melting point close to 295 °C and a boiling point of 213.6 °C under 760 mmHg pressure. Its specific optical rotation falls within the range of -0.6° to +0.6° (measured at 20 °C/D, with a concentration of c=8 in hydrochloric acid solution). This substance has hygroscopic properties and dissolves readily in water.
As a key essential amino acid, DL-Valine acts as a basic building block for protein synthesis in biological systems. It is widely used in the preparation of amino acid injections and dietary nutritional supplements. In addition, it functions as an effective additive in food and feed products to improve nutritional value, and is also commonly applied in biochemical experimental research and other related scientific fields.
| Basic Chemical Information | Molecular formula: C₅H₁₁NO₂; Molecular weight: ≈117.15; CAS No.: 516‑06‑3 |
| Alternative Names | DL‑α‑aminoisovaleric acid, DL‑2‑amino‑3‑methylbutyric acid |
| Appearance | White crystalline powder, odorless |
| Melting Point | 295 °C (decomposed, lit.) |
| Boiling Point | 213.6±23.0 °C (Predicted, at 760 mmHg) |
| Specific Rotation | −0.6° ~ +0.6° (20 °C/D, c=8 in HCl) |
| Density | 1.31 |
| Refractive Index | 1.4650 (Estimated) |
| Solubility | Water solubility: 68 g/L; slightly soluble in water (sonicated) |
| Hygroscopy | Hygroscopic |
| pKa (25 °C) | pK₁=2.32 (+1); pK₂=9.61 (0) |
| LogP | 0.29 |
| Storage Conditions | Stored in dark place, inert atmosphere, at room temperature |
| Biological Source | Synthetic |
| Standard Numbers | FEMA: 3444; JECFA: 1426; Merck: 14,9909; BRN: 506689 |
| Safety Information | Hazard Code: XnRisk Statement: 40Safety Statements: 22‑24/25‑36WGK Germany: 3RTECS: YV9355500TSCA: YesHS Code: 29224995 |
