top of page
| Product Name: | L-Valine | Other Name: | L-Valine;Valine,L-;L-(+)-α-Aminoisovaleric acid;Valine;Butanoic acid,2-amino-3-methyl-,(S)-;(S)-2-Amino-3-methylbutyric acid;2-Amino-3-methylbutanoic acid;(S)-Valine;(S)-2-Amino-3-methylbutanoic acid;(S)-α-Amino-β-methylbutyric acid;L-α-Amino-β-methylbutyric acid;NSC 76038;(2S)-2-Amino-3-methylbutanoic acid;(+)-2-Amino-3-methylbutyric acid;(2S)-2-Amino-3-methylbutanoic acid;(2S)-2-Azaniumyl-3-methylbutanoate;7004-03-7;16872-32-5;154605-70-6;1613375-16-8 |
| CAS No.: | 72-18-4 | Molecular Formula: | C5H11NO2 |
| InChIKeys: | InChIKey=KZSNJWFQEVHDMF-BYPYZUCNSA-N | Molecular Weight: | 117.15 |
| Exact Mass: | 117.15 | BRN: | 1721136 |
| EC Number: | 200-773-6 | UNII: | HG18B9YRS7 |
| NSC Number: | 760111 | NCI Thesaurus Code: | C29604 |
| Color/Form: | Leaflets from water + alcohol|White, crystalline solid | HScode: | 29224995 |
| Categories: | Amino Acids and Derivatives |
| PSA: | 63.3 | XLogP3: | -2.3 |
| Appearance: | White powder | Density: | 3″>1.32 g/cm3 |
| Melting Point: | 315 °C | Boiling Point: | Sublimes |
| Flash Point: | 83.0±22.6 °C | Refractive Index: | 1.461 |
| Water Solubility: | H2O: 85 g/L (20 ºC) | Storage Conditions: | Store at RT. |
| Vapor Pressure: | 5.55X10-9 mm Hg at 25 deg C (est) | Toxicity: | LD50 intraperitoneal in rat: 5390mg/kg |
| Specific rotation: | 28 º (c=8, 6N HCl) | PKA: | 2.3(at 13 °C) |
| Henrys Law Constant: | Henry’s Law constant = 2.63X10-9 atm-cu m/mol at 25 °C (est) | Dissociation Constants: | 2.3 (at 13 °C)|pKa = 2.30 |
| Collision Cross Section: | 134.28 Ų [M+H]+ [CCS Type: DT, Method: stepped-field]|144.07 Ų [M+Na]+ [CCS Type: DT, Method: stepped-field]|132.88 Ų [M-H]- [CCS Type: DT, Method: stepped-field]|120.9 Ų [M+H]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|133.4 Ų [M+Na]+ [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|124.3 Ų [M-H]- [CCS Type: DT, Method: single field calibrated with ESI Low Concentration Tuning Mix (Agilent)]|124.9 Ų [M-H]- | Experimental Properties: | Sublimes without melting at ordinary speed of heating. Decomposes at 298 °C (closed capillary, very rapid heating). One part dissolves in 11.7 parts of water at 15 °C, in 14.1 parts of water at 25 °C. Insoluble in common neutral solvents. /Valine DL-form/|UV: 3-46 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) /Valine (DL)/|Raman: 426 (Sadtler Research Laboratories spectral collection) /Valine (DL)/ |
Classification of the substance or mixture
Not classified.
GHS label elements, including precautionary statements
| Pictogram(s) | No symbol. |
|---|---|
| Signal word |
No signal word |
| Hazard statement(s) |
none |
| Precautionary statement(s) | |
| Prevention |
none |
| Response |
none |
| Storage |
none |
| Disposal |
none |
Other hazards which do not result in classification
no data available
Precautions for safe handling
Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.
Conditions for safe storage, including any incompatibilities
Store the container tightly closed in a dry, cool and well-ventilated place. Store apart from foodstuff containers or incompatible materials.