L-tert-Leucine
Synonym(s):(S)-2-Amino-3,3-dimethylbutyric acid;(S)-2-Amino-4-methylpentanoic acid;L -α-tert-Butylglycine;L -Leucine
- CAS NO.：20859-02-3
- Empirical Formula: C6H13NO2
- Molecular Weight: 131.17
- MDL number: MFCD00064218
- EINECS: 424-750-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-11-19 15:53:33
What is L-tert-Leucine?
Chemical properties
White to almost white powder
The Uses of L-tert-Leucine
L-tert-Leucine is an essential amino acid and makes up one third of our muscle protein. It can be used as a food additive. It is used in the formation of sterols. It is used in the production of cobalt oxazoline palladacycles complex, which acts as a catalyst in the rearrangement of prochiral N-aryl trifluoroacetimidates to allylic amides yielded in significantly higher enantioselectivities with the (S)-(pR)-diasteroisomer.
Synthesis Reference(s)
Organic Syntheses, Coll. Vol. 3, p. 523, 1955
Tetrahedron Letters, 19, p. 4625, 1978 DOI: 10.1016/S0040-4039(01)85688-4
Properties of L-tert-Leucine
| Melting point: | ≥300 °C (lit.) |
| Boiling point: | 217.7±23.0 °C(Predicted) |
| alpha | 6.3 º (c=4, 6 N HCl 200 ºC) |
| Density | 1.1720 (estimate) |
| refractive index | -9 ° (C=3, H2O) |
| storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
| solubility | 1 M HCl: 50 mg/mL |
| form | powder |
| pka | 2.39±0.12(Predicted) |
| color | White to almost white |
| optical activity | [α]20/D 9.5°, c = 3 in H2O |
| Water Solubility | 125.5 g/L (20 ºC) |
| BRN | 1721824 |
| CAS DataBase Reference | 20859-02-3(CAS DataBase Reference) |
Safety information for L-tert-Leucine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P362:Take off contaminated clothing and wash before reuse. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for L-tert-Leucine
| InChIKey | NPDBDJFLKKQMCM-SCSAIBSYSA-N |
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