ETHANOX™ 4757 is an octylated, butylated aminic antioxidant that provides oxidation control and thermal stability to maintain and extend the life of lubricants by reducing viscosity and the formation of deposits and sludge. It is appropriate for various applications, including industrial lubricants, greases, automotive fluids, and oils.
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ETHANOX™ 4757 is an ashless aminic antioxidant specially designed to provide excellent performance in a variety of applications, including industrial lubricants, greases, automotive fluids, and oils. It offers exceptional thermal stability and oxidation control to reduce viscosity and the formation of deposits and sludge, aiding in maintaining and extending the life of lubricants. It also exhibits synergistic performance when used with other ETHANOX™ hindered phenol antioxidants, such as ETHANOX™ 4701 and ETHANOX™ 4716.
Physical form, 20°C: Clear and bright liquid
Color: Yellow to amber
Density at 20°C, mg/L: 0.974
Flash point (CC), °C: 195
Pour point, °C: 12
Kinematic viscosity at 40°C, cSt: 446
TBN, mg KOH/g: 180
Basic nitrogen content, %: 4.55
Residual DPA content, %: 0.47
CAS number: 68411-46-1
Primary Chemistry: Mixture of tert-octyl and tert-butyl diphenylamine
Octylated, butylated aminic antioxidant
Ashless
Liquid aminic antioxidant
Ease of handling
Excellent performance at high temperatures
Long life applications
Synergistic increase in performance when used with phenolic antioxidants
Helps maintain and extend lubricant lifetime
Controls oxidation reactions that reduce viscosity and the formation of deposits and sludge
Excellent thermal stability
Excellent solubility in all types of base stocks
Good compatibility with common elastomer seals
Noncorrosive to steel and copper
Corrosion of steel and copper
Poor compatibility of antioxidants with elastomer seals
Poor thermal stability
Short lubricant lifetime
Reduced viscosity from oxidation
Deposit and sludge formation
Industrial lubricants
Finished fuels
Lubricating oils
Transmission fluids
Slideway oils
Quench oils
Engine oils
Gear oils
Jet fuels
Gasoline blend components
Industrial lubricants
Greases
Automotive fluids
Highly refined oils used for electrical insulation
R&O inhibited oils used in steam turbines and hydraulic systems
Pipeline and aviation fuel
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