Melting point :118-120℃
Boiling point :52 °C (lit.)
Density :1.928 g/mL at 25 °C (lit.)
refractive index :n20/D 1.6320(lit.)
storage temp. :Keep in dark place,Sealed in dry,Room Temperature
form :Solid
pka :pK1:1.82(＋1) (25°C)
color :Pale yellow
Water Solubility :Slightly soluble in water.
Sensitive :Light Sensitive
InChI :InChI=1S/C5H4IN/c6-5-3-1-2-4-7-5/h1-4H
InChIKey :CCZWSTFVHJPCEM-UHFFFAOYSA-N
SMILES :C1(I)=NC=CC=C1
CAS DataBase Reference :5029-67-4(CAS DataBase Reference)

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.