Molecular Structure of 4-Quinolinecarboxaldehyde (CAS NO.4363-93-3):

IUPAC Name: quinoline-4-carbaldehyde
Molecular Formula: C₁₀H₇NO
Molar mass: 157.1687 g/mol
Density: 1.223 g/cm³
Storage temp: 2-8°C
H bond acceptors: 2
H bond donors: 0
Freely Rotating Bonds: 1
Polar Surface Area: 29.96 Å²
Index of Refraction: 1.687
Molar Refractivity: 48.93 cm3
Molar Volume: 128.4 cm³
Surface Tension: 55.3 dyne/cm
Enthalpy of Vaporization: 55.55 kJ/mol
Sensitive: Air Sensitive
Flash Point: 151.9 °C
Index of Refraction: 1.687
Melting point: 45-52 °C(lit.)
Boiling Point: 314.3 °C at 760 mmHg
Vapour Pressure: 0.00047 mmHg at 25°C
Product Categories: Quinolinecarboxylic Acids; Quinoline Derivertives
InChI
InChI=1/C10H7NO/c12-7-8-5-6-11-10-4-2-1-3-9(8)10/h1-7H
Smiles
c12c(C=O)ccnc1cccc2
Synonyms: Quinoline-4-carboxaldehyde ; Quinoline-4-carbaldehyde ; Cinchoninaldehyde ; 4-Quinolinecarbaldehyde

Hazard Codes: Xi
Risk Statements: 37/38-36/37/38
R37/38:Irritating to respiratory system and skin. 
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25-36-26
S24/25:Avoid contact with skin and eyes. 
S36:Wear suitable protective clothing. 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
WGK Germany: 3
F: 10
Hazard Note: Irritant
HazardClass: Irritant

 4-Quinolinecarboxaldehyde , with CAS number of 4363-93-3, can be called Quinoline-4-carbaldehyde ; 4-Formylquinoline ; Cinchoninaldehyde(6CI,7CI,8CI) . Polymerization of the  4-Quinolinecarboxaldehyde (CAS NO.4363-93-3) is stable under normal temperature and pressure conditions and you must not take it with incompatible materials , strong oxidizing agents and strong bases.And also prevent it to broken down into hazardous decomposition products: irritating and toxic fumes and gases, oxides of nitrogen, carbon dioxide, carbon monoxide.