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n,n’-bis(1-methylpropyl)-1,4-phenylenediamine / antioxidant cas 574-09-4


Appearance:reddish brown liquid


Sample: Available


(N,N’-Bis(1-methylpropyl)-1,4-phenylenediamine / Antioxidant 44PD, Antioxidant 4720) Details

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

(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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