Skip to Content
Merck
All Photos(3)

Key Documents

Safety Information

131083

Sigma-Aldrich

4-Phenylazophenol

98%

Synonym(s):

4-Hydroxyazobenzene, Solvent Yellow 7

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
C6H5N=NC6H4OH
CAS Number:
Molecular Weight:
198.22
Colour Index Number:
11800
Beilstein:
957567
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

Quality Level

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)

Looking for similar products? Visit Product Comparison Guide

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

Hazard Statements

Hazard Classifications

Aquatic Chronic 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

JAN Code

131083-100G:
131083-VAR:
131083-BULK:
131083-25G:
131083-2.5G:


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service