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| Antioxidant 44PD Antioxidant 4720 |
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| CAS NO.: 101-96-2 |
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| 2-tert-Butyl-4-methylphenol |
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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 |
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| 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.
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| 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% |
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| Packing: |
In iron drum, 188KG/drum. |
| Storage: |
Stored in cool, airy and dry place. Transported as common chemicals. |
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