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Antioxidant 44PD Antioxidant 4720
CAS NO.:  101-96-2
Product name: N,N'-DIS(1-METHYLPROPYL)-1,4-BENZENEDIAMINE
Chemical name: N,N'-di-sec-butyl-1,4-phenylenediamine
Tradename: Antioxidant 44PD, Antioxidant 4720
Properties:
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
Typical 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.
Quality index: 

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%

Packing: In iron drum, 188KG/drum. 
Storage: Stored in cool, airy and dry place. Transported as common chemicals. 
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