Chemistry:2,5-Dihydroxycinnamic acid

2,5-Dihydroxycinnamic acid

Names
Preferred IUPAC name (2E)-3-(2,5-Dihydroxyphenyl)prop-2-enoic acid
Other names (2E)-3-(2,5-Dihydroxyphenyl)acrylic acid, grevillic acid
Identifiers
CAS Number	38489-67-7 Y 636-01-1 (non-specific) Y
3D model (JSmol)	Interactive image
ChemSpider	6442618
PubChem CID	181581
UNII	6EHK92QE99 Y
InChI InChI=1S/C9H8O4/c10-7-2-3-8(11)6(5-7)1-4-9(12)13/h1-5,10-11H,(H,12,13) Key: JXIPYOZBOMUUCA-UHFFFAOYSA-N
SMILES C1=CC(=C(C=C1O)C=CC(=O)O)O
Properties
Chemical formula	C9H8O4
Molar mass	180.159 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Tracking categories (test):

• SizeSet

2,5-Dihydroxycinnamic acid is a hydroxycinnamic acid. It is an isomer of caffeic acid.

Preparation

2,5-Dihydroxycinnamic acid is produced by Elbs persulfate oxidation of o-Coumaric acid.

See also

• Homogentisic acid
• Gentisic acid