2,4-Dihydroxybenzaldehyde

2,4-Dihydroxybenzaldehyde
Names
	Preferred IUPAC name 2,4-Dihydroxybenzaldehyde
	Other names β-Resorcylaldehyde; 4-Formylresorcinol; 6-Formylresorcinol; 4-Hydroxysalicylaldehyde; 2,4-Dihydroxybenzenecarbonal; 2,4-Dihydroxybenzyl aldehyde
Identifiers
CAS Number	95-01-2 ;
3D model (JSmol)	Interactive image;
Beilstein Reference	878548
ChEBI	CHEBI:50198;
ChEMBL	ChEMBL243587 ;
ChemSpider	6943 ;
ECHA InfoCard	100.002.167
EC Number	202-383-1;
Gmelin Reference	218304
PubChem CID	7213;
UNII	772JOF6LZS ;
CompTox Dashboard (EPA)	DTXSID8021806 ;
	InChI InChI=1S/C7H6O3/c8-4-5-1-2-6(9)3-7(5)10/h1-4,9-10H Key: IUNJCFABHJZSKB-UHFFFAOYSA-N ; InChI=1/C7H6O3/c8-4-5-1-2-6(9)3-7(5)10/h1-4,9-10;
	SMILES C1=CC(=C(C=C1O)O)C=O;
Properties
Chemical formula	C7H6O3
Molar mass	138.12 g/mol
Melting point	135 °C (275 °F; 408 K)
Boiling point	226 °C (439 °F; 499 K)
Solubility in water	soluble
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H302, H315, H319, H335
Precautionary statements	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). verify (what is ?) Infobox references

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).

References

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

[crc-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.

[1]

[2]