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Merck

H5126

Sigma-Aldrich

2-(4-Hydroxyphenylazo)benzoic acid

≥90% (HPLC)

Sinónimos:

2-(4′-Hydroxybenzeneazo)benzoic acid, 4′-Hydroxyazobenzene-2-carboxylic acid, HABA, HBABA

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About This Item

Fórmula lineal:
HOC6H4N=NC6H4CO2H
Número de CAS:
Peso molecular:
242.23
Beilstein/REAXYS Number:
1842696
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥90% (HPLC)

mp

204-208 °C (lit.)

solubility

ethanol: 20 mg/mL, clear to hazy, orange to very deep orange

SMILES string

Oc1ccc(cc1)\N=N\c2ccccc2C(O)=O

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

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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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Two luminescent ruthenium(II) polypyridine complexes containing a biotin moiety [Ru(bpy)(2)(L1)](PF(6))(2) (1) and [Ru(bpy)(2)(L2)](PF(6))(2) (2) (bpy = 2,2'-bipyridine; L1 = 4-(N-((2-biotinamido)ethyl)amido)-4'-methyl-2,2'-bipyridine; L2 = 4-(N-((6-biotinamido)hexyl)amido)-4'-methyl-2,2'-bipyridine) have been synthesized and characterized, and their photophysical and electrochemical properties have been studied. Upon photoexcitation, complexes

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