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131083

Sigma-Aldrich

4-Phenylazophenol

98%

Synonym(s):

4-Hydroxyazobenzene, Solvent Yellow 7

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About This Item

Linear Formula:
C6H5N=NC6H4OH
CAS Number:
1689-82-3
Molecular Weight:
198.22
Colour Index Number:
11800
Beilstein/REAXYS Number:
957567
EC Number:
216-880-6
MDL number:
MFCD00002330
UNSPSC Code:
12171500
PubChem Substance ID:
24847992
NACRES:
NA.47

Quality Level

100

assay

98%

form

powder

technique(s)

titration: suitable

mp

150-152 °C (lit.)

solubility

ethanol: 0.1%, clear

λmax

347 nm

ε (extinction coefficient)

10000 at 233-239 nm in methanol at 0.005 g/L

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1ccc(cc1)\N=N\c2ccccc2

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+

InChI key

BEYOBVMPDRKTNR-BUHFOSPRSA-N

Gene Information

human ... ESR1(2099)

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General description

4-Phenylazophenol is a polymethacrylates containing polar azo dye.

Application

4-Phenylazophenol (4PP) has been used to study mineralization by P. chrysosporium under nitrogen-sufficient and nitrogen-limiting culture conditions.

pictograms

Environment
GHS09

hcodes

H411

Hazard Classifications

Aquatic Chronic 2

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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Sudan II analytical standard

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Sudan I Dye content ≥95 %

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Sudan IV certified by the Biological Stain Commission, BioXtra

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