2-(4-Hydroxyphenylazo)benzoic acid

ALDRICH/H5126 - ≥90% (HPLC)

Synonym: 2-(4′-Hydroxybenzeneazo)benzoic acid; 4′-Hydroxyazobenzene-2-carboxylic acid; HABA; HBABA

CAS Number: 1634-82-8
Empirical Formula (Hill Notation): C₁₃H₁₀N₂O₃
Molecular Weight: 242.23
EC Number: 216-655-2
MDL Number: MFCD00002428
Linear Formula: HOC₆H₄N=NC₆H₄CO₂H
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-H5126-1G	1 g	$18.60 1/EAAdd To Favorites	Add To Favorites
45-H5126-5G	5 g	$33.00 1/EAAdd To Favorites	Add To Favorites
45-H5126-25G	25 g	$115.00 1/EAAdd To Favorites	Add To Favorites

assay	≥90% (HPLC)
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)/b15-14+
InChI key	DWQOTEPNRWVUDA-CCEZHUSRSA-N
mp	204-208 °C (lit.)
Quality Level	200
SMILES string	Oc1ccc(cc1)N=Nc2ccccc2C(O)=O
solubility	ethanol: 20 mg/mL, clear to hazy, orange to very deep orange

Application:	2-(4-Hydroxyphenylazo)benzoic acid may be used in the preparation of: • 2-((4-(3,4-dicyanophenoxy)phenyl)diazenyl)benzoic acid • 2,2’-((((4,5-dicyano-1,2-phenylene)bis(oxy))bis(4,1-phenylene))bis(diazene-2,1-diyl)) dibenzoic acid • a multifunctional benzoxazine monomer
Packaging:	1, 5, 25 g in glass bottle

Hazard Codes	Xi
Risk Statements	36/37/38
Safety Statements	26-36
RIDADR	NONH for all modes of transport
WGK Germany	WGK 3
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable