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3,4-dihydrobenzopyran-2-one CAS No.119-84-6 / Cat No.EBD959838
Properties
Colorless to pale yellow clear liquid
1.169 g/mL at 25 °C(lit.)
24-25 °C(lit.)
272 °C(lit.)
113 °C
n20/D 1.556(lit.)
insoluble
Safety Information
H302 Harmful if swallowed.
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
NMR Spectrum
Prediction: 1HNMR (CDC13) 6.9 (2H, dd, J=7.8), 7.03 (2H, dd, J=7.8), 3.63 (2H, t, J=6.0), 2.77 (2H,t, J=6.0), 1.89 (2H, p, J=6.0 Hz).
1H NMR
13C NMR