Empirical Formula: C₉H₇FO₂
Molecular Weight: 166.1491g/mol
Structure of 4H-1-Benzopyran-4-one,7-fluoro-2,3-dihydro- (CAS NO.113209-68-0):

Index of Refraction: 1.539
Molar Refractivity: 40.15 cm³
Molar Volume: 128 cm³
 Polarizability: 15.91×10^-24cm³
Surface Tension: 41.7 dyne/cm
Density: 1.297 g/cm³
Flash Point: 120.5 °C
Enthalpy of Vaporization: 52.07 kJ/mol
Boiling Point: 281.9 °C at 760 mmHg
Vapour Pressure: 0.00347 mmHg at 25°C 
Systematic Name: 7-fluoro-2,3-dihydro-4H-chromen-4-one
SMILES: Fc1ccc2c(c1)OCCC2=O
InChI: InChI=1/C9H7FO2/c10-6-1-2-7-8(11)3-4-12-9(7)5-6/h1-2,5H,3-4H2
InChIKey: HRPULQFHSZKTNA-UHFFFAOYAC

Risk Statements: 36/37/38|
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.

  4H-1-Benzopyran-4-one,7-fluoro-2,3-dihydro- , its cas register number is 113209-68-0. It also can be called 7-Fluoro-2,3-dihydro-4H-chromen-4-one ; 7-Fluoro-4-chromanone . 4H-1-Benzopyran-4-one,7-fluoro-2,3-dihydro- (CAS NO.113209-68-0) is irritating to eyes, respiratory system and skin.