L-tert-Leucine , 99% , 20859-02-3

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: 200-522-0

PRODUCT Properties

• Melting point: ≥300 °C (lit.)
• alpha: 6.3 º (c=4, 6 N HCl 200 ºC)
• Boiling point: 217.7±23.0 °C(Predicted)
• 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
• InChIKey: NPDBDJFLKKQMCM-SCSAIBSYSA-N
• CAS DataBase Reference: 20859-02-3(CAS DataBase Reference)

Description and Uses

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.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319
• Precautionary statements: P264-P280-P302+P352-P305+P351+P338-P332+P313-P337+P313-P362
• Hazard Codes: Xi
• Safety Statements: 22-24/25
• WGK Germany: 3
• RTECS: OH2850000
• Hazard Note: Irritant
• HS Code: 29224999