Melting point :-21 °C
Boiling point :220-221 °C (lit.)
Density :1.063 g/mL at 25 °C (lit.)
refractive index :n20/D 1.592(lit.)
Flash point :199 °F
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
solubility :5g/l; lnsoluble in water, soluble in alcohol and oils. Poorly soluble in Propylene glycol.
form :liquid (clear)
pka :5.20±0.20(Predicted)
color :clear dark brown
Odor :a mild, delicate, but extremely tenacious floral odor
Water Solubility :5 g/L (20 ºC)
Sensitive :Light Sensitive
BRN :111915
CAS DataBase Reference :496-15-1(CAS DataBase Reference)
NIST Chemistry Reference :1H-Indole, 2,3-dihydro-(496-15-1)
EPA Substance Registry System :1H-Indole, 2,3-dihydro- (496-15-1)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H227 Combustible liquid Flammable liquids Category 4 Warning P210, P280, P370+P378, P403+P235,P501 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. P405 Store locked up.