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Vanillic acid

CAS Registry Number®

121-34-6

CAS Name

Vanillic acid

Molecular Formula

C8H8O4

Molecular Mass

168.15

Cite this Page

Vanillic acid.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=121-34-6 (retrieved 2025-03-15) (CAS RN: 121-34-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    211.5 °C

  • Density (2)

    1.44 g/cm³ @ Temp: 25 °C

Source(s)

Other Names and Identifiers

InChI

InChI=1S/C8H8O4/c1-12-7-4-5(8(10)11)2-3-6(7)9/h2-4,9H,1H3,(H,10,11)

InChIKey

InChIKey=WKOLLVMJNQIZCI-UHFFFAOYSA-N

SMILES

O(C)C1=CC(C(O)=O)=CC=C1O

Canonical SMILES

O=C(O)C1=CC=C(O)C(OC)=C1

Other Names for this Substance

  • Benzoic acid, 4-hydroxy-3-methoxy-
  • Vanillic acid
  • 4-Hydroxy-3-methoxybenzoic acid
  • VA
  • 3-Methoxy-4-hydroxybenzoic acid

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