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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:
957567
EC Number:
216-880-6
MDL number:
MFCD00002330
UNSPSC Code:
12171500
PubChem Substance ID:
24847992
NACRES:
NA.47
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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

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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

Hazard Statements

H411

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

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
MKCJ7599
MKBV3695V
04318EI
02610KZ

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