103-33-3
Product Name:
Azobenzene
Formula:
C12H10N2
Synonyms:
Diazobenzene, Diphenyl diimide, Diphenyldiazene;trans-Azobenzene
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Azobenzene appears as orange-red crystals or dark brown chunky solid. (NTP, 1992) |
|---|---|
| Color/Form | Orange-red leaflets |
| Boiling Point | 559 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 154 °F (NTP, 1992) |
| Solubility | less than 0.1 mg/mL at 63.5 °F (NTP, 1992) |
| Density | 1.203 at 68 °F (NTP, 1992) - Denser than water; will sink |
| Vapor Pressure | 1 mmHg at 218.3 °F ; 5 mmHg at 276.3 °F; 10 mmHg at 304.7 °F (NTP, 1992) |
| LogP | log Kow = 3.82 |
| Stability/Shelf Life | CHEMICALLY IT IS STABLE |
| Decomposition | WHEN STRONGLY HEATED, IT EMITS HIGHLY TOXIC FUMES OF /NITROGEN OXIDES/. |
| Refractive Index | INDEX OF REFRACTION: 1.6266 @ 78 °C/D |
| Dissociation Constants | pKa = -2.950E+00 |
| Kovats Retention Index | 1556 1591 1566 1597.2 1556 |
| Other Experimental Properties | Combustible |
| Chemical Classes | Nitrogen Compounds -> Other Aromatics (Nitrogen) |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H341:Germ cell mutagenicity H350:Carcinogenicity H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P260:Do not breathe dust/fume/gas/mist/vapours/spray. P273:Avoid release to the environment. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P308+P313:IF exposed or concerned: Get medical advice/attention. |
COMPUTED DESCRIPTORS
| Molecular Weight | 182.22 g/mol |
|---|---|
| XLogP3 | 3.8 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 2 |
| Exact Mass | 182.084398327 g/mol |
| Monoisotopic Mass | 182.084398327 g/mol |
| Topological Polar Surface Area | 24.7 Ų |
| Heavy Atom Count | 14 |
| Formal Charge | 0 |
| Complexity | 157 |
| 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
Azobenzene appears as orange-red crystals or dark brown chunky solid. (NTP, 1992)