Vanillic acid

Vanillic acid^[1]
Names
	Preferred IUPAC name 4-Hydroxy-3-methoxybenzoic acid
	Other names 4-Hydroxy-m-anisic acid, Vanillate
Identifiers
CAS Number	121-34-6 ;
3D model (JSmol)	Interactive image;
ChEBI	CHEBI:30816 ;
ChEMBL	ChEMBL120568 ;
ChemSpider	8155 ;
ECHA InfoCard	100.004.061
KEGG	C06672 ;
PubChem CID	8468;
UNII	GM8Q3JM2Y8 ;
CompTox Dashboard (EPA)	DTXSID6059522 ;
	InChI InChI=1S/C8H8O4/c1-12-7-4-5(8(10)11)2-3-6(7)9/h2-4,9H,1H3,(H,10,11) Key: WKOLLVMJNQIZCI-UHFFFAOYSA-N ; InChI=1/C8H8O4/c1-12-7-4-5(8(10)11)2-3-6(7)9/h2-4,9H,1H3,(H,10,11) Key: WKOLLVMJNQIZCI-UHFFFAOYAH;
	SMILES COc1cc(ccc1O)C(=O)O;
Properties
Chemical formula	C8H8O4
Molar mass	168.148 g·mol−1
Appearance	White to light yellow powder or crystals
Melting point	210 to 213 °C (410 to 415 °F; 483 to 486 K)
Hazards
NFPA 704 (fire diamond)	1 0 0
Related compounds
Related compounds	Vanillin, vanillyl alcohol
	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

Vanillic acid (4-hydroxy-3-methoxybenzoic acid) is a dihydroxybenzoic acid derivative used as a flavoring agent. It is an oxidized form of vanillin. It is also an intermediate in the production of vanillin from ferulic acid.^[2]^[3]

^ "Vanillic acid (4-hydroxy-3-methoxybenzoic acid)". chemicalland21.com. Retrieved 2009-01-28.
^ Lesage-Meessen L, Delattre M, Haon M, Thibault JF, Ceccaldi BC, Brunerie P, Asther M (October 1996). "A two-step bioconversion process for vanillin production from ferulic acid combining Aspergillus niger and Pycnoporus cinnabarinus". J. Biotechnol. 50 (2–3): 107–113. doi:10.1016/0168-1656(96)01552-0. PMID 8987621.
^ Civolani C, Barghini P, Roncetti AR, Ruzzi M, Schiesser A (June 2000). "Bioconversion of ferulic acid into vanillic acid by means of a vanillate-negative mutant of Pseudomonas fluorescens strain BF13". Appl. Environ. Microbiol. 66 (6): 2311–2317. Bibcode:2000ApEnM..66.2311C. doi:10.1128/AEM.66.6.2311-2317.2000. PMC 110519. PMID 10831404.

[urlVANILLIC_ACID_(3-METHOXY-4-HYDROXYBENZOIC_ACID)-1] "Vanillic acid (4-hydroxy-3-methoxybenzoic acid)". chemicalland21.com. Retrieved 2009-01-28.

[pmid8987621-2] Lesage-Meessen L, Delattre M, Haon M, Thibault JF, Ceccaldi BC, Brunerie P, Asther M (October 1996). "A two-step bioconversion process for vanillin production from ferulic acid combining Aspergillus niger and Pycnoporus cinnabarinus". J. Biotechnol. 50 (2–3): 107–113. doi:10.1016/0168-1656(96)01552-0. PMID 8987621.

[pmid10831404-3] Civolani C, Barghini P, Roncetti AR, Ruzzi M, Schiesser A (June 2000). "Bioconversion of ferulic acid into vanillic acid by means of a vanillate-negative mutant of Pseudomonas fluorescens strain BF13". Appl. Environ. Microbiol. 66 (6): 2311–2317. Bibcode:2000ApEnM..66.2311C. doi:10.1128/AEM.66.6.2311-2317.2000. PMC 110519. PMID 10831404.

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