n,n’-bis(1-methylpropyl)-1,4-phenylenediamine / antioxidant cas 574-09-4
Chemical Name:N,N’-Bis(1-methylpropyl)-1,4-phenylenediamine / Antioxidant 44PD, Antioxidant 4720
CAS No.:574-09-4
MF :C14H24N2
MW :220.35
Appearance :reddish brown liquid
| Appearance: red to brown liquid without special odor | |
| Flash point(℃): ＞94 | M.P.(℃): 14.1 |
| B.P.(℃): 320 | Relative density (water=1): 0.94(16℃) |
| Saturated vapor pressure(Kpa): 10.0mmHg/170℃ | Heat of evaporation(cal/mol): 15300 |
| Water solubility: 0.06WT% | Stability: stable in normal temperature and pressure |
| Taboo substances: acids, oxidants | Aoided conditions: air, sunlight |
| Decomposition products:carbon monoxide, carbon dioxide, nitrogen oxides, nitrogen | Class of risk: Class 8.2 basic corrosives |
Quality standard
| Item | Best quality | First quality | Common data |
| Appearance | reddish brown liquid | reddish brown liquid | reddish brown liquid |
| Assay | ≥96% | ≥94% | 95%～97.5% |
| Ash | ≤0.3% | ≤0.3% | ≤0.3% |
| Methanol insolubles | ≤0.1% | ≤0.1% | ≤0.1% |
N,N’-Bis(1-methylpropyl)-1,4-phenylenediamine / Antioxidant 44PD, Antioxidant 4720 Principal Use
1)High efficiency antioxidant of gasoline——much better than Antioxidant T-501. Especially suitable for cracked or heating crack gasoline additives.
2)Desulfurizer of gasoline——With the existance of air and water, 44PD can transform thioalcohol into bisulfides.
3)High efficiency antioxidant of vegetable oil
4)General type Antioxidant of natural rubber and synthetic rubber.
Note: To achieve the?optimum performance of this product, the application temperature should be between room temperature and 125℃. When it is used for gasoline, the added amount should dependent on the content of olefins and storage conditions, usual addition level is 0.001-0.01%。Cracked gasoline should be directly added at the fractionation exit.
N,N’-Bis(1-methylpropyl)-1,4-phenylenediamine / Antioxidant 44PD, Antioxidant 4720)Package
188kg/drum
(N,N’-Bis(1-methylpropyl)-1,4-phenylenediamine / Antioxidant 44PD, Antioxidant 4720) Storage
It is forbidden to mix with toxic and harmful substances. The product has certain moisture absorption. It should be stored in a sealed way in low temperature, dry, cool and ventilated condition. The shelf life is not open for 24 months.
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