Melting point :86-88 °C
alpha :-44.5 º (c=1, acetic acid)
Boiling point :481.2±45.0 °C(Predicted)
Density :1.2189 (rough estimate)
refractive index :-45 ° (C=1, AcOH)
storage temp. :Sealed in dry,2-8°C
solubility :DMSO, Methanol
pka :3.58±0.10(Predicted)
form :Solid
color :White
optical activity :[α]20/D 44±1°, c = 1% in acetic acid
BRN :2000417
CAS DataBase Reference :5068-28-0(CAS DataBase Reference)
EPA Substance Registry System :L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-S-(phenylmethyl)- (5068-28-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, 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. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.