PowerNox™ 4426 has extreme low volatile. It is used for synthetic resin antioxidants due to its resisting thermal oxidation good stability.
Physical Properties
Chemical Name:
2,2',6,6'-tetra-tert-butyl-4,4'-methylenediphenol
CAS No.:
118-82-1
EINECS No.:
204-279-1
Formula:
C29H44O2
Molecular
Weight:
425
Melting Point(°C):
154
Relative Density[15°C, g/cm3]:
0.88
Flash point(°C):
170
Vapor Pressure[20°C, Pa]:
<13
Appearance:
white powder
Ash (%):
Max.0.2
Solubility (20°C)
% w/w
Isooctane:
4
Petroleum ether:
8
Ethanol:
6
10% NaOH:
<0.01
Toluene:
33
Water:
<0.01
Applications
PowerNox™ 4426 is premier multi-ring phenolic antioxidant for engine oil and industrial lubricants. It is a highly effective additive for suppressing the formation of acidic and insoluble products of oil oxidation.
PowerNox™ 4426 also has advantages as below:
- High hindered phenolic antioxidant activity
- Low volatility ensures optimum lubricant performance at high temperatures
- Inhibits deposit and sludge formation in the 1000-hour TOST and the CMA thermal stability test
- Synergistic with zinc dithiophosphates and alkylated diphenylamines
- Nonreactive with copper, iron, lead, and silver
- Reduces total deposits in the TEOST MHT-4
Packings
PowerNox™ 4426 is supplied in net weight 20kg plastic bag.
