DL-Valine CAS#516-06-3
Excellent Solubility – DL-Valine is highly soluble in water, making it easy to apply in biochemical, pharmaceutical, and nutritional formulations.
Stable Physical Properties – With a high melting point (~295℃) and defined boiling point, it offers stability for storage and processing.
Versatile Chemical Identity – Also known as DL-α-aminoisovaleric acid or DL-2-amino-3-methylbutyric acid, it provides flexibility in research and industrial applications.
High Purity and Quality – Appearing as a white crystalline powder with precise molecular characteristics (C₅H₁₁NO₂, MW 117.15), it ensures reliable and consistent performance.
DL-Valine has the molecular formula C₅H₁₁NO₂ and a molecular weight of about 117.15. It is also known as DL-α-aminoisovaleric acid or DL-2-amino-3-methylbutyric acid. The compound is a white crystalline powder with a melting point around 295℃ and a boiling point of 213.6℃ at 760 mmHg. Its specific rotation ranges from -0.6 to +0.6° (20°C/D)(c=8, HCl). DL-Valine is hygroscopic and readily soluble in water.
DL-Valine Chemical Properties
Melting point | 295 °C (dec.) (lit.) |
Alpha | -0.6~+0.6° (20℃/D)(c=8, HCl) |
Boiling point | 213.6±23.0 °C(Predicted) |
Density | 1.31 |
FEMA | 3444 | D,L-VALINE |
Refractive index | 1.4650 (estimate) |
Storage temp | Keep in dark place,Inert atmosphere,Room temperature |
Solubility | Water (Slightly, Sonicated) |
Pka | PK1:2.32(+1);pK2:9.61(0) (25°C) |
Form | Crystalline Powder |
Color | White |
Odor | Odorless |
Odor Type | Odorless |
Biological source | Synthetic |
Water Solubility | 68 g/L |
JECFA Number | 1426 |
Merck | 14,9909 |
BRN | 506689 |
LogP | 0.29 |
CAS DataBase Reference | 516-06-3(CAS DataBase Reference) |
NIST Chemistry Reference | DL-Valine(516-06-3) |
EPA Substance Registry System | Valine (516-06-3) |
Safety Information
Hazard Codes | Xn |
Risk Statements | 40 |
Safety Statements | 22-24/25-36 |
WGK Germany | 3 |
RTECS | YV9355500 |
TSCA | Yes |
HS Code | 29224995 |
DL-Valine is an essential building block for protein synthesis and is utilized in the preparation of amino acid infusions and nutritional supplements. It also functions as a nutritional fortifier in food and feed, and finds applications in biochemical research and related fields.




