Other grades of this product :
| L-ABRINE Basic information |
| L-ABRINE Chemical Properties |
| Melting point | >300 °C (dec.)(lit.) | | alpha | D21 +44° (0.28 g in 10 ml 0.5N HCl) | | Boiling point | 358.94°C (rough estimate) | | density | 1.272±0.06 g/cm3 (20 ºC 760 Torr) | | refractive index | 65 ° (C=1, 0.5mol/L NaOH) | | storage temp. | under inert gas (nitrogen or Argon) at 2–8 °C | | pKa | 2.32±0.10(Predicted) | | optical activity | [α]20/D +65°, c = 1 in 0.5 M NaOH | | Merck | 14,10 | | BRN | 86638 | | CAS DataBase Reference | 526-31-8(CAS DataBase Reference) |
| Hazard Codes | Xn | | Risk Statements | 20/21/22 | | Safety Statements | 36 | | WGK Germany | 3 | | HS Code | 29339900 |
| L-ABRINE Usage And Synthesis |
| Chemical Properties | white to light grey crystalline powder or crystals | | Definition | ChEBI: A N-methyl-L-alpha-amino acid that is the Nalpha-methyl derivative of L-tryptophan. | | Biochem/physiol Actions | An indoleamino acid that shows radical scavenging and antioxidant properties in vitro. | | Purification Methods | Crystallise L-abrine from H2O or EtOH/H2O mixture and dry it for 2days at 60o in high vacuum; it has m 275-290o(dec with browning at 230o) and [] D +47.2o (c 2, 0.5N HCl) [Peter et al. Helv Chim Acta 46 577 1963]. [Gregory & Morley J Chem Soc 913 1968, Beilstein 22/14 V 40.] |
| L-ABRINE Preparation Products And Raw materials |
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