Melting point :29-32 °C (lit.)
Boiling point :220-223 °C (lit.)
Density :1.124 g/mL at 25 °C (lit.)
refractive index :nD48 1.6231
Flash point :209 °F
storage temp. :2-8°C
solubility :alcohol: freely soluble(lit.)
pka :0.56(at 20℃)
form :Crystalline Low Melting Solid
color :Light yellow to brown
Water Solubility :SOLUBLE
Merck :14,8078
BRN :109351
Stability :Light Sensitive
LogP :1.320
CAS DataBase Reference :91-19-0(CAS DataBase Reference)
NIST Chemistry Reference :Quinoxaline(91-19-0)
EPA Substance Registry System :Quinoxaline (91-19-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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.