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

J & K SCIENTIFIC LTD.
Tel
010-82848833 400-666-7788
Fax
86-10-82849933
Email
jkinfo@jkchemical.com
Country
China
ProdList
96815
Advantage
76
Meryer (Shanghai) Chemical Technology Co., Ltd.
Tel
4006608290; 18621169109
Fax
86-21-61259102
Email
market03@meryer.com
Country
China
ProdList
40241
Advantage
62
Alfa Aesar
Tel
400-6106006
Fax
021-67582001/03/05
Email
saleschina@alfa-asia.com
Country
China
ProdList
30132
Advantage
84
TCI (Shanghai) Development Co., Ltd.
Tel
021-67121386
Fax
021-67121385
Email
Sales-CN@TCIchemicals.com
Country
China
ProdList
24539
Advantage
81
Energy Chemical
Tel
021-021-58432009 400-005-6266
Fax
021-58436166
Email
sales8178@energy-chemical.com
Country
China
ProdList
44751
Advantage
61
Chemsky(shanghai)International Co.,Ltd.
Tel
021-50135380
Email
shchemsky@sina.com
Country
China
ProdList
32344
Advantage
50
Shandong Xiya Chemical Co., Ltd
Tel
4009903999 13355009207
Fax
0539-6365991
Email
3007715519@qq.com
Country
China
ProdList
18736
Advantage
57
Sinopharm Chemical Reagent Co,Ltd.
Tel
86-21-63210123
Fax
86-21-63290778 86-21-63218885
Email
sj_scrc@sinopharm.com
Country
China
ProdList
9823
Advantage
79
Maya High Purity Chemicals
Tel
+86 (573) 82222445 (0)18006601000 452520369
Fax
+86 (573) 82222643
Email
sales@maya-r.com
Country
China
ProdList
11714
Advantage
57
Chengdu Ai Keda Chemical Technology Co., Ltd.
Tel
4008-755-333 18080918076
Fax
028-86757656
Email
800078821@qq.com
Country
China
ProdList
9725
Advantage
55

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