4-PHENYLAZOPHENOL
Synonym(s):4-Hydroxyazobenzene;Solvent Yellow 7
- CAS NO.：1689-82-3
- Empirical Formula: C12H10N2O
- Molecular Weight: 198.22
- MDL number: MFCD00002330
- EINECS: 216-880-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-12-18 14:08:52
What is 4-PHENYLAZOPHENOL?
Chemical properties
BROWN FINE CRYSTALLINE POWDER
The Uses of 4-PHENYLAZOPHENOL
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.
The Uses of 4-PHENYLAZOPHENOL
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.
Preparation
aniline diazotization, and phenol coupling.
Definition
ChEBI: 4-Hydroxyazobenzene is a member of azobenzenes.
Purification Methods
Crystallise the dye from *benzene or 95% EtOH. [Beilstein 16 II 38, 16 III 86, 16 IV 159.]
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 | |||
Properties of 4-PHENYLAZOPHENOL
| 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 |
| Colour Index | 11800 |
| form | Fine Crystalline Powder |
| pka | 8.93±0.13(Predicted) |
| 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) |
Safety information for 4-PHENYLAZOPHENOL
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P304+P340:IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405:Store locked up. |
Computed Descriptors for 4-PHENYLAZOPHENOL
4-PHENYLAZOPHENOL manufacturer
Marudhar International
1Y
Phone:+91-7925471103
Whatsapp: +91-7925471103
product: 4-Hydroxyazobenzene 99%
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