3,4-Dihydroxybenzaldehyde CAS No.139-85-5 / Cat No.EBD970769
aurora 17180
akos bbs-00003254
4-formyl-1,2-dihydroxybenzene
protocatechualdehyde
protocatechuic aldehyde
1,2-dihydroxy-4-formylbenzene
3,4-dihydroxy-benzaldehyd
Protocatechualdehyde
3,4-Dihydroxybenzaldehyd (Protocatechualdehyde)
protocatechuic aldehyde
AURORA 17180
AKOS BBS-00003254
4-FORMYL-1,2-Dihydroxybenzene
1,2-Dihydroxy-4-formylbenzene
3,4-dihydroxy-benzaldehyd
3, 4-Dihydroxy benzlaldehyde
3,4-Dihydroxy benzlaldehyde
3,4-Dihydroxybenzaldehyd (Protocatechualdehyde)
protocatechuic aldehyde
AURORA 17180
AKOS BBS-00003254
4-FORMYL-1,2-Dihydroxybenzene
1,2-Dihydroxy-4-formylbenzene
3,4-dihydroxy-benzaldehyd
3, 4-Dihydroxy benzlaldehyde
3,4-Dihydroxy benzlaldehyde
3,4-Dihydroxybenzaldehyde
Properties
-
Appearance:
brown powder
-
Density:
1.409 g/cm3
-
Melting point:
150-157 °C(lit.)
-
Boiling point:
295.4 °C at 760 mmHg
-
Flashing point:
146.7 °C
-
Storage temperature:
2-8°C
-
Solubility:
50 g/L (20 ºC)
Safety Information
-
Symbol:
-
Signal words:
Warning -
Hazard statements:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
-
Precautionary statements:
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： 1H NMR (400 MHz, CDC13) delta ppm 9.67 (s, 1H, CHO), 7.29 (m, 2H), 6.89 (d, J= 9.2 Hz, 1H).
1H NMR
13C NMR
