Molecular Structure of Indole-2-carboxaldehyde (CAS NO.19005-93-7):

IUPAC Name: 1H-Indole-2-carbaldehyde
Molecular Formula: C₉H₇NO
Molecular Weight: 145.16
XLogP3: 2.2
H-Bond Donor: 1
H-Bond Acceptor: 1
Melting Point: 138-142 °C 
Index of Refraction: 1.729
Molar Refractivity: 45.28 cm³
Molar Volume: 113.5 cm³
Surface Tension: 59.8 dyne/cm
Density: 1.278 g/cm³
Flash Point: 166.8 °C
Enthalpy of Vaporization: 58.25 kJ/mol
Boiling Point: 339.1 °C at 760 mmHg 
Vapour Pressure: 9.42E-05 mmHg at 25 °C
storage temp.: Keep Cold
Appearance: White to tan solid, powder, crystals, crystalline powder and / or chunks
Canonical SMILES: C1=CC=C2C(=C1)C=C(N2)C=O
InChI: InChI=1S/C9H7NO/c11-6-8-5-7-3-1-2-4-9(7)10-8/h1-6,10H
InChIKey: SBNOTUDDIXOFSN-UHFFFAOYSA-N
Product Categories: ALDEHYDE; Building Blocks; Heterocyclic Building Blocks; Indoles

Safety Information of Indole-2-carboxaldehyde (CAS NO.19005-93-7):
Hazard Codes: Xi
Risk Statements: 36 
R36:Irritating to eyes.
Safety Statements: 26-36 
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36:Wear suitable protective clothing.
HazardClass: IRRITANT

 Indole-2-carboxaldehyde (CAS NO.19005-93-7), its Synonyms are 1H-Indole-2-carboxaldehyde ; Indole-2-carboxaldehyde(6CI,7CI,8CI) ; 2-Formylindole .