Melting point :98-100 °C (lit.)
Boiling point :373.33°C (rough estimate)
Density :1.1818 (rough estimate)
refractive index :1.5290 (estimate)
storage temp. :under inert gas (nitrogen or Argon) at 2–8 °C
solubility :methanol: soluble25mg/mL, clear, colorless
pka :0.55±0.10(Predicted)
form :powder to crystal
color :White to Light yellow to Light orange
BRN :211079
CAS DataBase Reference :16078-71-0(CAS DataBase Reference)
NIST Chemistry Reference :Ethyl 3-amino-2-phenylpyrazole-4-carboxylate(16078-71-0)
EPA Substance Registry System :1H-Pyrazole-4-carboxylic acid, 5-amino-1-phenyl-, ethyl ester (16078-71-0)

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. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.