ChemicalBook > CAS DataBase List > 4-PHENYLAZOPHENOL

4-PHENYLAZOPHENOL

Product Name
4-PHENYLAZOPHENOL
CAS No.
1689-82-3
Chemical Name
4-PHENYLAZOPHENOL
Synonyms
CI 11800;CI NO 11800;organolyellowap;fastoilyellow2g;PHENYLAZOPHENOL;SOLVENT YELLOW 7;pirocardgreen491;cisolventyellow7;P-PHENYLAZOPHENOL;4-PHENYLAZOPHENOL
CBNumber
CB5366310
Molecular Formula
C12H10N2O
Formula Weight
198.22
MOL File
1689-82-3.mol
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4-PHENYLAZOPHENOL Property

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.
BRN 
957567
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)
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Safety

Hazard Codes 
Xi
Risk Statements 
36/37/38
Safety Statements 
26-36
RIDADR 
3234
WGK Germany 
3
RTECS 
SM8300000
TSCA 
Yes
HS Code 
29270000
Hazardous Substances Data
1689-82-3(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

H411Toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P405Store locked up.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
131083
Product name
4-Phenylazophenol
Purity
98%
Packaging
25g
Price
$112
Updated
2024/03/01
Sigma-Aldrich
Product number
131083
Product name
4-Phenylazophenol
Purity
98%
Packaging
100g
Price
$392
Updated
2023/06/20
TCI Chemical
Product number
P0149
Product name
4-(Phenylazo)phenol
Purity
>95.0%(T)
Packaging
25g
Price
$46
Updated
2024/03/01
Alfa Aesar
Product number
B25198
Product name
4-Phenylazophenol, 98%
Packaging
5g
Price
$16.65
Updated
2024/03/01
Alfa Aesar
Product number
B25198
Product name
4-Phenylazophenol, 98%
Packaging
25g
Price
$47.65
Updated
2024/03/01
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4-PHENYLAZOPHENOL Chemical Properties,Usage,Production

Chemical Properties

BROWN FINE CRYSTALLINE POWDER

Uses

4-Phenylazophenol is a diaryl-azo derivative with potential use as potential antifungal agents. 4-Phenylazophenol is an azo dye with toxic effects as well as a being a soil contaminant. Dyes and metabolites.

Definition

ChEBI: 4-Hydroxyazobenzene is a member of azobenzenes.

Preparation

aniline diazotization, and phenol coupling.

Properties and Applications

brilliant yellow. Soluble in ethanol, Acetone and benzene. In concentrated sulfuric acid for yellow orange, dilution after light yellow, In concentrated sodium hydroxide solution for gold. Used to varnish, grease, paraffin wax, resin, soap kind of coloring.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Good 160 Indissolvable

Purification Methods

Crystallise the dye from *benzene or 95% EtOH. [Beilstein 16 II 38, 16 III 86, 16 IV 159.]

4-PHENYLAZOPHENOL Preparation Products And Raw materials

Raw materials

Preparation Products

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4-PHENYLAZOPHENOL Suppliers

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1689-82-3, 4-PHENYLAZOPHENOLRelated Search:


  • 4-HYDROXYAZOBENZENE
  • 4-BENZENEAZOPHENOL
  • 4-PHENYLAZOPHENOL
  • CI NO 11800
  • CI 11800
  • SOLVENT YELLOW 7
  • P-PHENYLAZOPHENOL
  • P-HYDROXYAZOBENZENE
  • P-BENZENEAZOPHENOL
  • 1,4-Benzoguinonemonphenylhydrazone
  • 4-(phenylazo)-pheno
  • 4-[(E)-Phenyldiazenyl]phenol
  • 4-hydroxy-azobenzen
  • organolyellowap
  • p-(phenylazo)-pheno
  • Phenol, p-(phenylazo)-
  • Pirocard Green 491
  • pirocardgreen491
  • Zlut rozpoustedlova 7
  • zlutrozpoustedlova7
  • TIMTEC-BB SBB000372
  • 4-Hydroxyazobenzene,CI 11800
  • 4-Phenylazophenol,CI 11800
  • Atul Brilliant Oil Yellow G
  • atulbrilliantoilyellowg
  • Brasilazina Oil Yellow O
  • brasilazinaoilyellowo
  • C.I. Solvent Yellow 7
  • c.i.solventyellow7
  • cisolventyellow7
  • Fast Oil Yellow 2G
  • fastoilyellow2g
  • Organol Yellow AP
  • 4-Phenylazophenol, 97% 100GR
  • Phenol,4-(2-phenyldiazenyl)
  • (E)-4-(phenyldiazenyl)phenol
  • 4-(phenyldiazenyl)phenol
  • PARA-HYDROXYAZOBENZENE
  • PHENYLAZOPHENOL
  • PARA-PHENYLAZOPHENOL
  • Solvent yellow 7 (C.I. 11800)
  • SOLVENT YELLOW 7 (4-PHENYLAZOPHENOL)
  • p-HYDROXYAZOBENZENE pure
  • 4-Hydroxyazobenzene, Solvent Yellow 7
  • 1,4-Benzoquinone monophenylhydrazone
  • 4-Phenylazophenol,97%
  • 4-(Phenylazo)phenol&gt
  • C.I.Solvent Yellow 7:C.I.11800
  • 4-Phenylazophenol (Solvent Yellow 7, 4-HAB)
  • 4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one
  • Mesalazine Impurity 26
  • Mesalazine Impurity 01
  • 4-(Phenylazo)phenol, ≥ 95.0%
  • Ergothioneine Impurity 8
  • 1689-82-3
  • HOC6H4NNC6H5
  • Indicators
  • Adsorption Indicators