Melting point :200-202 °C(lit.)
Boiling point :264.27°C (rough estimate)
Density :1.1555 (rough estimate)
refractive index :1.4500 (estimate)
storage temp. :Sealed in dry,Room Temperature
solubility :Soluble in methanol.
form :Crystalline Powder or Needles
pka :2.23, 11.28(at 20℃)
color :Light beige to yellow
Water Solubility :4.8g/L(15 ºC)
BRN :1524969
InChI :1S/C9H7NO/c11-9-5-6-10-8-4-2-1-3-7(8)9/h1-6H,(H,10,11)
InChIKey :PMZDQRJGMBOQBF-UHFFFAOYSA-N
SMILES :Oc1ccnc2ccccc12
LogP :2.450 (est)
CAS DataBase Reference :611-36-9(CAS DataBase Reference)
NIST Chemistry Reference :4-Quinolinol(611-36-9)

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.