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2-(4′-Hydroxyphenylazo)Benzoic Acid

CAS: 1634-82-8 | C13H10N2O3

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 1634-82-8
Molecular Formula: C13H10N2O3
Molecular Weight: 242.23399999999998 g/mol

Names and Synonyms:

2-(4′-Hydroxyphenylazo)Benzoic Acid
o-(p-Hydroxyphenylazo)benzoic acid
Benzoic acid, 2-[(4-hydroxyphenyl)azo]-
2-(4-Hydroxybenzeneazo)benzoic acid
2-(4′-Hydroxybenzeneazo)benzoic acid
HABA (dye)
2-[(4-Hydroxyphenyl)azo]benzoic acid
2-(4′-Hydroxyphenylazo)benzoic acid
NSC 77376
4′-Hydroxyazobenzene-2-carboxylic acid
Benzoic acid, o-[(p-hydroxyphenyl)azo]-
Benzoic acid, 2-[2-(4-hydroxyphenyl)diazenyl]-
4-Hydroxyazobenzene-2′-carboxylic acid
4-(2′-Carboxyphenylazo)phenol
HABA
2-[2-(4-Hydroxyphenyl)diazenyl]benzoic acid

Identifiers:

SMILES:
O=C(O)c1ccccc1N=Nc1ccc(O)cc1
InChI:
InChI=1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18)

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

Category Property Value Source
Molecular Molecular Weight 242.23399999999998 g/mol RDKit
Exact Exact Molecular Weight 242.06914218 g/mol RDKit
Heavy Heavy Atom Count 18 count RDKit
Hydrogen Hydrogen Bond Acceptors 4 count RDKit
Hydrogen Bond Donors 2 count RDKit
Rotatable Rotatable Bonds 3 count RDKit
Aromatic Aromatic Ring Count 2 count RDKit
Topological Topological Polar Surface Area 82.25 Ų RDKit
Physical Properties LogP 3.5058000000000016 RDKit
molecular_mass 242.23 g/mol Legacy Database
cas-canonical-smile O=C(O)C=1C=CC=CC1N=NC2=CC=C(O)C=C2 Legacy Database
cas-inchi InChI=1S/C13H10N2O3/c16-10-7-5-9(6-8-10)14-15-12-4-2-1-3-11(12)13(17)18/h1-8,16H,(H,17,18) Legacy Database
cas-inchi-key InChIKey=DWQOTEPNRWVUDA-UHFFFAOYSA-N Legacy Database
cas-melting-point 206-207 °C Legacy Database
cas-name 2-(4′-Hydroxyphenylazo)benzoic acid Legacy Database
Molar Molar Refractivity 65.68410000000003 RDKit

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