L-Leucine CAS NO.61-90-5

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)
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.     Store at RT.
solubility     1 M HCl: 50 mg/mL
pka    2.328(at 25℃)
form     powder
color     White to Off-white
PH    5.5-6.5 (20g/l, H2O, 20℃)
optical activity    [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
λ: 280 nm Amax: 0.05
Sublimation     145-148 ºC
JECFA Number    1423
Merck     14,5451
BRN     1721722
Stability:    Stability Moisture and light sensitive. Incompatible with strong oxidising agents.
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)     

L-Leucine Basic information
description Chemical Properties Uses toxicity
Product Name:    L-Leucine
Synonyms:    (s)-2-amino-4-methylvalericacid;1-Leucine;2-Amino-4-methylpentanoic acid;2-amino-4-methylpentanoicacid;2-amino-4-methyl-valericaci;4-methyl-l-norvalin;4-methyl-norvalin;alpha-Amino-gamma-methylvaleric acid
CAS:    61-90-5
MF:    C6H13NO2
MW:    131.17
EINECS:    200-522-0
Mol File:    61-90-5.mol 

Safety Information
Safety Statements     24/25
WGK Germany     3
RTECS     OH2850000
TSCA     Yes
HS Code     29224995