Melting point :197-203°C (dec.)
Boiling point :405.9±55.0 °C(Predicted)
Density :1.85
refractive index :1.78
storage temp. :Keep in dark place,Sealed in dry,2-8°C
solubility :DMSO (Very Slightly, Heated), Methanol (Slightly, Heated), Water (Slightly, Heated)
form :Solid
pka :2.31±0.20(Predicted)
color :White to Pale Beige
Stability :Hygroscopic
CAS DataBase Reference :2150-55-2(CAS DataBase Reference)
EPA Substance Registry System :2-Amino-2-thiazoline-4-carboxylic acid (2150-55-2)

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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.