2-Hydroxy-5-methoxybenzaldehyde

2-Hydroxy-5-methoxybenzaldehyde
Names
	IUPAC name 2-Hydroxy-5-methoxybenzaldehyde
	Other names 5-Methoxysalicylaldehyde; 2-Formyl-4-methoxyphenol; 6-Hydroxy-m-anisaldehyde
Identifiers
CAS Number	672-13-9 ;
3D model (JSmol)	Interactive image;
ChemSpider	21168855 ;
ECHA InfoCard	100.010.537
EC Number	211-589-0;
PubChem CID	24848799;
CompTox Dashboard (EPA)	DTXSID40217478 ;
	InChI InChI=1S/C9H10O3/c1-11-8-3-4-9(12-2)7(5-8)6-10/h3-6H,1-2H3 Key: FZHSPPYCNDYIKD-UHFFFAOYSA-N ; InChI=1S/C8H8O3/c1-11-7-2-3-8(10)6(4-7)5-9/h2-5,10H,1H3 Key: AFUKNJHPZAVHGQ-UHFFFAOYAN;
	SMILES COC1=CC(=C(C=C1)O)C=O;
Properties
Chemical formula	C8H8O3
Molar mass	152.149 g·mol−1
Appearance	Yellow to yellow-green liquid
Density	1.219 g/mL
Melting point	4 °C (39 °F; 277 K)
Boiling point	250 °C (482 °F; 523 K)
Refractive index (nD)	1.578
	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

2-Hydroxy-5-methoxybenzaldehyde is an organic compound and an isomer of vanillin.

Chemical synthesis

The chemical is produced by the Reimer-Tiemann reaction on 4-methoxyphenol with a 79% yield.[1]

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Wynberg, Hans; Meijer, Egbert W. (2005). The Reimer–Tiemann Reaction. p. pg.16. doi:10.1002/0471264180.or028.01. ISBN 9780471264187.

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