2,4-Dihydroxybenzaldehyde

2,4-Dihydroxybenzaldehyde or β-resorcylaldehyde is a phenolic aldehyde, a chemical compound with the formula C7H6O3. It is an isomer of protocatechuic aldehyde (3,4-dihydroxybenzaldehyde).

2,4-Dihydroxybenzaldehyde
Names
Preferred IUPAC name
2,4-Dihydroxybenzaldehyde
Other names
β-Resorcylaldehyde
3,4-dihydroxybenzyl aldehyde[1]
Identifiers
3D model (JSmol)
878548
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.002.167
EC Number
  • 202-383-1
218304
UNII
  • InChI=1S/C7H6O3/c8-4-5-1-2-6(9)3-7(5)10/h1-4,9-10H ☒N
    Key: IUNJCFABHJZSKB-UHFFFAOYSA-N ☒N
  • InChI=1/C7H6O3/c8-4-5-1-2-6(9)3-7(5)10/h1-4,9-10
  • C1=CC(=C(C=C1O)O)C=O
Properties
C7H6O3
Molar mass 138.12 g/mol
Melting point 135 °C (275 °F; 408 K)[1]
Boiling point 226 °C (439 °F; 499 K)[1]
soluble[1]
Hazards
GHS labelling:[2]
GHS07: Exclamation mark
Warning
H302, H315, H319, H335
P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

References
  1. Haynes, William M., ed. (2016). CRC Handbook of Chemistry and Physics (97th ed.). CRC Press. p. 3.190. ISBN 9781498754293.
  2. "2,4-Dihydroxybenzaldehyde". pubchem.ncbi.nlm.nih.gov.


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