DL-Valine
Synonym(s):(±)-α-Aminoisovaleric acid;DL -2-Amino-3-methylbutanoic acid
- CAS NO.：516-06-3
- Empirical Formula: C5H11NO2
- Molecular Weight: 117.15
- MDL number: MFCD00004267
- EINECS: 208-220-0
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-07 21:39:59
What is DL-Valine?
Chemical properties
White crystalline powder
Chemical properties
dl-Valine is odorless.
Occurrence
Reported found in many fruits, plants and animal tissues; in milk and dairy products.
Definition
ChEBI: A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isopropyl group.
Preparation
By the action of ammonia on α-bromoisovaleric acid; also through a hydantoin intermediate.
Properties of DL-Valine
| Melting point: | 295 °C (dec.) (lit.) |
| Boiling point: | 213.6±23.0 °C(Predicted) |
| alpha | -0.6～+0.6° (20℃/D)(c=8, HCl) |
| Density | 1.31 |
| refractive index | 1.4650 (estimate) |
| FEMA | 3444 | D,L-VALINE |
| 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 |
| Water Solubility | 68 g/L |
| Merck | 14,9909 |
| JECFA Number | 1426 |
| BRN | 506689 |
| 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 for DL-Valine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for DL-Valine
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product: 516-06-3 DL-VALINE 99%
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