A3119112
N,N′-Diphenyl-p-phenylenediamine , 95% , 74-31-7
Synonym(s):
DPPD;N,N′-Diphenyl-1,4-phenylenediamine
CAS NO.:74-31-7
Empirical Formula: C18H16N2
Molecular Weight: 260.33
MDL number: MFCD00003015
EINECS: 200-806-4
Pack Size | Price | Stock | Quantity |
25G | RMB51.20 | In Stock |
|
100G | RMB158.40 | In Stock |
|
500G | RMB642.40 | In Stock |
|
others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
Melting point: | 143-145 °C(lit.) |
Boiling point: | 220-225 °C0.5 mm Hg(lit.) |
Density | 1.2 |
refractive index | 1.6300 (estimate) |
Flash point: | 220-225°C/1mm |
storage temp. | Store below +30°C. |
solubility | DMSO (Slightly), Methanol (Slightly) |
form | Solid |
pka | 1.85±0.20(Predicted) |
color | Pale Grey to Very Dark Grey |
Water Solubility | <0.1 g/100 mL at 20 ºC |
Merck | 14,3329 |
BRN | 2215944 |
Stability: | Stable. Incompatible with strong acids, strong oxidizing agents |
LogP | 4.536 (est) |
CAS DataBase Reference | 74-31-7(CAS DataBase Reference) |
NIST Chemistry Reference | 1,4-Benzenediamine, N,N'-diphenyl-(74-31-7) |
EPA Substance Registry System | N,N'-Diphenyl-p-phenylenediamine (74-31-7) |
Description and Uses
N,N'-Diphenyl-4-phenylenediamine (DPPD) is a rubber accelerant, formerly contained in the "black rubber mix". The most frequent occupational categories are in metal industry, homemakers, health services and laboratories, and building industries.
Polymerization inhibitor. Antioxidant for rubber, petroleum oils, feedstuffs.
Safety
Symbol(GHS) | GHS07 |
Signal word | Warning |
Hazard statements | H317-H412 |
Precautionary statements | P273-P280-P302+P352 |
Hazard Codes | Xi |
Risk Statements | 43-52/53 |
Safety Statements | 24-37-61 |
WGK Germany | 1 |
RTECS | ST2275000 |
TSCA | Yes |
HS Code | 2921 51 90 |
Hazardous Substances Data | 74-31-7(Hazardous Substances Data) |
Toxicity | LD50 orally in Rabbit: 2370 mg/kg LD50 dermal Rat 4500 mg/kg |