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4-Phenylazophenol Structure

4-Phenylazophenol

Chemical Properties

Melting point 150-152 °C(lit.)
Boiling point 230°C/20mmHg(lit.)
Density  1.1447 (rough estimate)
refractive index  1.6330 (estimate)
storage temp.  2-8°C
solubility  DMSO, Methanol
form  Fine Crystalline Powder
pka 8.93±0.13(Predicted)
Colour Index  11800
color  Brown
Water Solubility  Soluble in acetone, ethanol, benzene and ether. Insoluble in water.
λmax 347 nm
ε(extinction coefficient) 10000 at 233-239nm in methanol at 0.005g/L
BRN  957567
Henry's Law Constant 1.5×104 mol/(m3Pa) at 25℃, Duchowicz et al. (2020)
Major Application diagnostic assay manufacturing
hematology
histology
InChI 1S/C12H10N2O/c15-12-8-6-11(7-9-12)14-13-10-4-2-1-3-5-10/h1-9,15H/b14-13+
InChIKey BEYOBVMPDRKTNR-BUHFOSPRSA-N
SMILES Oc1ccc(cc1)\N=N\c2ccccc2
CAS DataBase Reference 1689-82-3(CAS DataBase Reference)
IARC 3 (Vol. 8, Sup 7) 1987
EPA Substance Registry System p-Phenylazophenol (1689-82-3)

Safety Information

Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36
RIDADR  3234
WGK Germany  3
RTECS  SM8300000
TSCA  TSCA listed
HS Code  29270000
Storage Class 11 - Combustible Solids
Hazard Classifications Aquatic Chronic 2
Hazardous Substances Data 1689-82-3(Hazardous Substances Data)

MSDS

Usage And Synthesis

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