4-Difluoromethoxy-3-hydroxybenzaldehyde CAS No.151103-08-1 / Cat No.EBD47586
3-Hydroxy-4-diflouromethylbenzaldehyde
bromo(difluoro)methane
4-(difluoromethoxy)-3-hydroxybenzaldehyde
Roflumilast intermediates-3
4-Difluoromethoxy-3-hydroxybenzaldehyde
3-hydroxy-4-diflouromethylbenzaldehyde
4-(difluoromethoxy)-3-hydroxybenzaldehyde 97%
4-(difluoromethoxy)-3-hydroxybenzaldehyde97%
3-hydroxy-4-difluoromethoxy benzaldehyde
2-(difluoromethoxy)-5-formylphenol, alpha,alpha-difluoro-4-formyl-2-hydroxyanisole
benzaldehyde,4-(difluoromethoxy)-3-hydroxy-
bromo(difluoro)methane
4-(difluoromethoxy)-3-hydroxybenzaldehyde
Roflumilast intermediates-3
Properties
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Density:
1.883g/cm3
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Melting point:
85-90 °C
Safety Information
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Symbol:
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Signal words:
Warning -
Hazard statements:
H302 Harmful if swallowed.
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
H411 Toxic to aquatic life with long lasting effects.
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Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P273 Avoid release to the environment.
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： 1H-NMR (CDC13): delta 6.05 (br s, IH, OH, 1H disappears with D20), 6.65 (t, J = 72.6 Hz, OCHF2)f 7.26 (d, J = 8.2 Hz, IH, H-5 Ar), 7.45 (dd, J = 8.2, 2.0 Hz, 1H( H-6 Ar), 7.12 (d, J = 2.0 Hz, H-2 Ar), 9.90 (s, IH, CH=N).
1H NMR
13C NMR
