L-Leucine#61-90-5
L-leucine is one of the eight essential amino acids and falls into the category of aliphatic amino acids among the twenty proteinogenic amino acids. It is grouped with L-isoleucine and L-valine as the three branched-chain amino acids, and it is the enantiomer of D-leucine.
L-Leucine Chemical Properties
Melting point | >300 °C (lit.) |
alpha | 15.4 º (c=4, 6N HCl) |
Boiling point | 122-134 °C(Press: 2-3 Torr) |
bulk density | 300-400kg/m3 |
density | 1,293 g/cm3 |
vapor pressure | <1 hPa (20 °C) |
refractive index | 1.4630 (estimate) |
FEMA | 3297 | L-LEUCINE |
Fp | 145-148°C |
storage temp. | 2-8°C |
solubility | 1 M HCl: 50 mg/mL |
form | powder |
pka | 2.328(at 25℃) |
color | White to Off-white |
Odor | at 100.00?%. odorless |
PH | 5.5-6.5 (20g/l, H2O, 20℃) |
biological source | plant |
Optical Rotation | [α]20/D +15.5°, c = 2 in 6 M HCl |
Water Solubility | 22.4 g/L (20 C) |
λmax | λ: 260 nm Amax: 0.05 |
JECFA Number | 1423 |
Sublimation | 145-148 ºC |
Merck | 14,5451 |
BRN | 1721722 |
Stability: | Stability Moisture and light sensitive. Incompatible with strong oxidising agents. |
LogP | 0.80 |
CAS DataBase Reference | 61-90-5(CAS DataBase Reference) |
NIST Chemistry Reference | Leucine(61-90-5) |
EPA Substance Registry System | L-Leucine (61-90-5) |
Safety Information
Safety Statements | 24/25 |
WGK Germany | 3 |
RTECS | OH2850000 |
TSCA | Yes |
HS Code | 29224995 |
Hazardous Substances Data | 61-90-5(Hazardous Substances Data) |
Product Application of L-Leucine#61-90-5
Amino acid drugs are used in the preparation of amino acid infusions and comprehensive amino acid formulations. They are applicable for the diagnosis and treatment of idiopathic hyperglycemia in children, glucose metabolism disorders, hepatobiliary diseases associated with reduced bile secretion, anemia, poisoning, muscular dystrophy, poliomyelitis, neuritis, and mental illnesses.
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Inventory 2-3 working days New production 7-10 working days
