Boiling point :85 °C3 mm Hg(lit.)
Density :1.061 g/mL at 25 °C(lit.)
refractive index :n20/D 1.542(lit.)
FEMA :3321 | 5,6,7,8-TETRAHYDROQUINOXALINE
Flash point :195 °F
storage temp. :Sealed in dry,Room Temperature
pka :2.24±0.20(Predicted)
form :clear liquid
color :Colorless to Yellow to Green
Specific Gravity :1.1334
Odor :at 0.10 % in dipropylene glycol. musty nut roasted bean cereal corn chip cheese
Odor Type :nutty
Water Solubility :slightly soluble
JECFA Number :952
BRN :957053
LogP :1.41
CAS DataBase Reference :34413-35-9(CAS DataBase Reference)
NIST Chemistry Reference :5,6,7,8-Tetrahydroquinoxaline(34413-35-9)
EPA Substance Registry System :Quinoxaline, 5,6,7,8-tetrahydro- (34413-35-9)

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. P271 Use only outdoors or in a well-ventilated area. P280 Wear protective gloves/protective clothing/eye protection/face protection. 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.