122-39-4
Product Name:
Diphenylamine
Formula:
C12H11N
Synonyms:
Diphenylamine;DPA;N-Phenylaniline
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Diphenylamine is a light tan to brown solid with a pleasant odor. Sinks in water. (USCG, 1999) |
|---|---|
| Color/Form | Monoclinic leaflets from dilute alcohol |
| Odor | Pleasant, floral odor. |
| Boiling Point | 576 °F at 760 mmHg (NTP, 1992) |
| Melting Point | 129 to 131 °F (NTP, 1992) |
| Flash Point | 307 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 61 °F (NTP, 1992) |
| Density | 1.068 at 141.8 °F (USCG, 1999) - Denser than water; will sink |
| Vapor Density | 5.82 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 1 mmHg at 226.9 °F ; 60 mmHg at 404.4 °F (NTP, 1992) |
| LogP | log Kow = 3.50 |
| Henry's Law Constant | Henry's Law constant: 2.69X10-006 atm-cu m/mole @ 25 °C /Estimated/ |
| Stability/Shelf Life | Discolors in light. |
| Autoignition Temperature | 1175 °F (USCG, 1999) |
| Decomposition | When heated to decomposition it emits highly toxic fumes of /nitrogen oxides/. |
| Heat of Combustion | -16.300 BTU/LB= -9.060 CAL/G= -379X10+5 J/KG |
| Surface Tension | 39.3 DYNES/CM = 0.0393 N/M @ 60 °C |
| Ionization Potential | 7.40 eV |
| Ionization Efficiency | Positive |
| Odor Threshold | Odor Threshold Low: 0.02 [mmHg] Odor threshold from AIHA |
| Dissociation Constants | pKa = 0.78 @ 24 °C |
| Kovats Retention Index | 1588 1619 1567 1597.8 1602 1589.1 1589.7 1568 1593.1 1618.8 1575 1575 1601 275.74 |
| Other Experimental Properties | Forms salts with strong acids |
| Chemical Classes | Nitrogen Compounds -> Amines, Polyaromatic |
SAFETY INFORMATION
| Signal word | Danger |
|---|---|
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06  Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H373:Specific target organ toxicity, repeated exposure H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P314:Get medical advice/attention if you feel unwell. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. |
COMPUTED DESCRIPTORS
| Molecular Weight | 169.22 g/mol |
|---|---|
| XLogP3 | 3.5 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 2 |
| Exact Mass | 169.089149355 g/mol |
| Monoisotopic Mass | 169.089149355 g/mol |
| Topological Polar Surface Area | 12 Ų |
| Heavy Atom Count | 13 |
| Formal Charge | 0 |
| Complexity | 116 |
| 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
Diphenylamine is a light tan to brown solid with a pleasant odor. Sinks in water. (USCG, 1999)