Protocatechuic acid

C7H6O4CAS 99-50-3154.12 g/mol

OHOOHOH
Carboxylic acidPhenol

Properties

Molecular formula
C7H6O4
Molar mass
154.12 g/mol
Exact mass
154.0266 Da
Melting point
221 °C (decomposes)
logP
0.80Crippen estimate
Polar surface area
77.8 Ų
H-bond donors / acceptors
3 / 3
Rotatable bonds
1

Hazards

Warning
Irritant (GHS07)

Aggregated from 140 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
99-50-3
SMILES
O=C(O)c1ccc(O)c(O)c1
InChIKey
YQUVCSBJEUQKSH-UHFFFAOYSA-N
InChI
InChI=1S/C7H6O4/c8-5-2-1-4(7(10)11)3-6(5)9/h1-3,8-9H,(H,10,11)

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Names and synonyms

7 names
  • Benzoic acid, 3,4-dihydroxy-
  • 3,4-Dihydroxybenzoic acid
  • 4-Carboxy-1,2-dihydroxybenzene
  • 4,5-Dihydroxybenzoic acid
  • NSC 16631
  • 1,2-Dihydroxybenzene-4-carboxylic acid
  • Protocatechoic acid

Reactions

Work with Protocatechuic acid

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere