Melting point :255-256 °C (decomp)
Boiling point :409.7±30.0 °C(Predicted)
Density :1.108±0.06 g/cm3(Predicted)
refractive index :19 ° (C=5, MeOH)
storage temp. :Keep in dark place,Inert atmosphere,Store in freezer, under -20°C
solubility :Water:100.0(Max Conc. mg/mL);494.43(Max Conc. mM)
pka :3.16±0.10(Predicted)
form :Solid
color :White to off-white
BRN :1726165
CAS DataBase Reference :7298-84-2(CAS DataBase Reference)
EPA Substance Registry System :L-Alanine, L-leucyl- (7298-84-2)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. 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.