Primary Antioxidant -Metal deactivators
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2,2'-Oxamido bis[ethyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl) -propionate].
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PowerNox™ MD697 is a highly effective metal deactivator originated from the family of sterically hindered phenolic antioxidants. Due to its low volatility and nondiscoloring properties, PowerNox™ 697 is ideal for the polymer systems of polyoleffins, polyesters, polyamides, and polyurethane.
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| Chemical Name: |
2,2'-Oxamido bis[ethyl-3-(3,5-di-tert-butyl-4-hydroxyphenyl) -propionate] |
| CAS No.: |
70331-94-1 |
| EINECS No.: |
274-572-7 |
| Formula: |
C40H60N2O8 |
| Molecular
Weight: |
697 |
| Melting Point(°C): |
170-180 |
| Volatile Loss(%): |
Max.0.3 |
| Color of Solution 425nm (%): |
Min.97 |
| Color of Solution 500nm (%): |
Min.98 |
| Appearance: |
White to Off-White Powder |
| Flash Point: |
260℃ |
| Specific Gravity (20°C): |
1.08 |
| Ash(%): |
Max.0.1 |
| Min. Purity: |
98% |
| Solubility (20°C) |
% w/w |
| Acetone: |
10 |
| Chloroform: |
35 |
| Styrene: |
5 |
| n-hexane: |
0.03 |
| Methanol: |
1.6 |
| Water: |
＜0.01 |
PowerNox™ MD697 has low volatility and therefore provides long-term heat aging and high temperature processing stability.
The main application for PowerNox™ MD697 is in the long term heat stabilization of polyolefins that are in contact with metal ions. Such applications include wire and cable conductors and molded parts having metal inserts.
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PowerNox™ MD697 is supplied in 20kg Fiber Drum.
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