74-31-7
Product Name:
N,N-Diphenyl-p-phenylenediamine
Formula:
C18H16N2
Synonyms:
DPPD;N,N′-Diphenyl-1,4-phenylenediamine
Inquiry
CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | N,n'-diphenyl-p-phenylenediamine appears as gray or dark gray powder or flakes. (NTP, 1992) |
|---|---|
| Color/Form | Colorless leaflets from alcohol; commercial grades are greenish-brown |
| Boiling Point | 428 to 437 °F at 0.5 mmHg (NTP, 1992) |
| Melting Point | 293 to 306 °F (NTP, 1992) |
| Flash Point | 400 °F (NTP, 1992) |
| Solubility | less than 1 mg/mL at 68 °F (NTP, 1992) |
| Density | 1.21 (NTP, 1992) - Denser than water; will sink |
| Vapor Density | 9 (NTP, 1992) - Heavier than air; will sink (Relative to Air) |
| Vapor Pressure | 0.00000001 [mmHg] |
| Decomposition | WHEN HEATED TO DECOMP, IT EMITS HIGHLY TOXIC FUMES... |
| Viscosity | 5.48X10-1 Pa.s (liquid) |
| Heat of Combustion | -9.34X10+9 J/kmol |
| Heat of Vaporization | 1.10X10+8 J/kmol |
| Surface Tension | 4.15X10-2 N/m |
| Other Experimental Properties | CAN REACT WITH OXIDIZING MATERIALS |
| Chemical Classes | Nitrogen Compounds -> Amines, Polyaromatic |
SAFETY INFORMATION
| Signal word | Warning |
|---|---|
| Pictogram(s) |
![]() Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H317:Sensitisation, Skin H412: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. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
COMPUTED DESCRIPTORS
| Molecular Weight | 260.3 g/mol |
|---|---|
| XLogP3 | 5 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 4 |
| Exact Mass | 260.131348519 g/mol |
| Monoisotopic Mass | 260.131348519 g/mol |
| Topological Polar Surface Area | 24.1 Ų |
| Heavy Atom Count | 20 |
| Formal Charge | 0 |
| Complexity | 231 |
| 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
N,n'-diphenyl-p-phenylenediamine appears as gray or dark gray powder or flakes. (NTP, 1992)

