H5126
2-(4-Hydroxyphenylazo)benzoic acid
≥90% (HPLC)
Synonym(s):
2-(4′-Hydroxybenzeneazo)benzoic acid, 4′-Hydroxyazobenzene-2-carboxylic acid, HABA, HBABA
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About This Item
Linear Formula:
HOC6H4N=NC6H4CO2H
CAS Number:
Molecular Weight:
242.23
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
216-655-2
Beilstein/REAXYS Number:
1842696
MDL number:
Assay:
≥90% (HPLC)
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
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
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Storage Class
11 - Combustible Solids
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2
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Multifunctional polybenzoxazine nanocomposites containing photoresponsive azobenzene units, catalytic carboxylic acid groups, and pyrene units capable of dispersing carbon nanotubes.
Mohamed MG, et al.
Royal Society of Chemistry Advances, 5(56), 45201-45212 (2015)
New water soluble phenoxy phenyl diazenyl benzoic acid substituted phthalocyanine derivatives: Synthesis, antioxidant activities, atypical aggregation behavior and electronic properties.
Agirtas MS, et al.
Dyes and Pigments, 99(2), 423-431 (2013)
Ting Deng et al.
Biosensors & bioelectronics, 21(8), 1545-1552 (2005-08-09)
A quartz crystal microbalance (QCM) sensor was proposed for the detection of small molecule biotin based on the mixed self-assembled monolayer (SAM) of thiols on gold substrate and the bioaffinity difference between an analyte (biotin) and an analogue compound (HABA)