1689-82-3
Product Name:
4-PHENYLAZOPHENOL
Formula:
C12H10N2O
Synonyms:
4-Hydroxyazobenzene;Solvent Yellow 7
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Yellow or orange solid; [HSDB] Deep yellow powder; [MSDSonline] |
|---|---|
| Color/Form | YELLOW LEAVES FROM BENZENE, ORANGE PRISMS FROM ALC |
| Boiling Point | 220-230 °C @ 20 MM HG SLIGHT DECOMP |
| Melting Point | 155-157 °C |
| Solubility | 4.7 [ug/mL] (The mean of the results at pH 7.4) |
| Vapor Pressure | 0.00000023 [mmHg] |
| Ionization Efficiency | Negative |
| Dissociation Constants | pKa= 8.2 (conjugate acid) |
| Chemical Classes | Dyes -> Azo Dyes |
SAFETY INFORMATION
| 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
| Molecular Weight | 198.22 g/mol |
|---|---|
| XLogP3 | 3.7 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 2 |
| Exact Mass | 198.079312947 g/mol |
| Monoisotopic Mass | 198.079312947 g/mol |
| Topological Polar Surface Area | 45 Ų |
| Heavy Atom Count | 15 |
| Formal Charge | 0 |
| Complexity | 204 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 1 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
4-Hydroxyazobenzene is a member of azobenzenes.


