Back to Search

4-Hydroxybenzoic Acid

CAS: 99-96-7 | C7H6O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 99-96-7
Molecular Formula: C7H6O3
Molecular Weight: 138.12199999999999 g/mol

Names and Synonyms:

4-Hydroxybenzoic Acid
p-Hydroxyl benzoic acid
NSC 4961
p-Carboxyphenol
Paraben-acid
4-Carboxyphenol
p-Salicylic acid
p-Hydroxybenzoic acid
4-Hydroxybenzoic acid
Benzoic acid, p-hydroxy-
Benzoic acid, 4-hydroxy-

Identifiers:

SMILES:
O=C(O)c1ccc(O)cc1
InChI:
InChI=1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Molecular

Property Value Source
Molecular Weight 138.12199999999999 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 138.031694052 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 10 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 2 count RDKit
Hydrogen Bond Donors 2 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 1 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 1 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 57.53 Ų RDKit

Physical Properties

Property Value Source
LogP 1.0903999999999998 RDKit
molecular_mass 138.12 g/mol Legacy Database
density 1.46 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/4-Hydroxybenzoic_acid None Legacy Database
cas-canonical-smile O=C(O)C1=CC=C(O)C=C1 None Legacy Database
cas-density 1.46 g/cm3 @ Temp: 25 °C None Legacy Database
cas-inchi InChI=1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10) None Legacy Database
cas-inchi-key InChIKey=FJKROLUGYXJWQN-UHFFFAOYSA-N None Legacy Database
cas-melting-point 214.5 °C None Legacy Database
cas-name 4-Hydroxybenzoic acid None Legacy Database
wikipedia-name 4-Hydroxybenzoic acid None Legacy Database

Molar

Property Value Source
Molar Refractivity 35.066100000000006 RDKit

Recent Searches

Acetone
Ethanol
Navigate
esc Close