Phosphite & thioester antioxidant
Introduction to Phosphites and thioesters antioxidant
Auxiliary antioxidants, which synonym name is a secondary antioxidant, react with hydroperoxides to produce non-radical products and are therefore often termed ‘hydroperoxide decomposers. They differ from primary phenols and amines in that they are decomposed by reaction with the hydroperoxide, rather than containing it.
Auxiliary antioxidants contain phosphites and thioesters groups. They are particularly useful in synergistic combinations with primary antioxidants.
| Name | CAS No. | Features |
| Phosphite Antioxidants | ||
| BX 168 | 31570-04-4 | hydrolytically stable phosphite, the most widely used |
| BX 626 | 26741-53-7 | high-performance phosphite antioxidant for engineering plastics |
| Thioester antioxidant | ||
| BX 1726 | 110675-26-8 | for adhesives, elastomers and related products |
| BX 412s | 29598-76-3 | sulfur ester AO, higher stability than dltp/dstp |
| BX DLTDP | 123-28-4 | thioester AO with low melting point, for polyolefin, PS, ABS |
| BX DSTDP | 693-36-7 | thioester AO with low melting point, for polyolefin, PS, ABS |
| BX PDP | 80584-86-7 | liquid phosphite antioxidant for many dispersed polymer |
BASF and Baoxu Chemical Antioxidants Compare
Baoxu chemical antioxidants are min99% similar according to IR, over half of our domestic customers use our UV stabilizers as replacements of imports to have a competitive edge.
| Baoxu Chemical | BASF | Songwon | Addivant&Chemtura | Other |
| BX 1010 | Irganox 1010 | Songnox 1010 | Anox 20 | |
| BX 1024 | Irganox MD 1024 | Songnox 1024 | Lowinox MD24 | |
| BX 1035 | Irganox 1035 | Songnox 1035 | Anox 70 | |
| BX 1076 | Irganox 1076 | Songnox 1076 | Anox PP18 | |
| BX 1098 | Irganox 1098 | Songnox 1098 | Lowinox HD-98 | |
| BX 1135 | Irganox 1135 | Songnox 1135 | Naugard PS48 (liq) | |
| BX 1411 | Irganox B 1411 | Songnox 311B | Anox BB 1411 | |
| BX 1412 | Irganox B 1412 | Songnox 321B | Anox BB 1412 | |
| BX 1520 | Irganox 1520 | |||
| BX 168 | Irgafos 168 | Songnox 1680 | Alkanox 240 | |
| BX 1726 | Irganox 1726 | |||
| BX 1790 | Irganox 1790 | Songnox 1790 | Lowinox 1790 | Cyasorb 1790 |
| BX 215 | Irganox B 215 | Songnox 21B | Anox BB 021 | |
| BX 2246 | Irganox 2246 | Songnox 2246 | Lowinox 22M46 | |
| BX 225 | Irganox B 225 | Songnox 11B | Anox BB 011 | |
| BX 245 | Irganox 245 | Songnox 2450 | Lowinox GP-45 | |
| BX 3114 | Irganox 3114 | Songnox 3114 | Anox IC-14 | |
| BX 330 | Irganox 1330 (330) | Songnox 1330 | Anox 330 | |
| BX 412s | Irganox 412s | Songnox 4120 | Lowinox 412s | |
| BX 445 | Naugard 445 | |||
| BX 5057 | Irganox 5057 | Songnox L570 | Naugard PS30 | |
| BX 565 | Irganox 565 | Songnox 5650 | ||
| BX 626 | Irgafos 126 | Songnox 626 | Ultranox 626 | |
| BX 697 | Irganox 697 | Naugard XL-1 | ||
| BX 702 | Ethanox 702 | |||
| BX 900 | Irganox B 900 | Songnox 417B | Anox BB 140 | |
| BX CPL | Lowinox CPL | Wingstay L | ||
| BX DLTDP | Irganox PS 800 | Songnox DLTDP | Naugard DLTDP | |
| BX DSTDP | Irganox PS 802 | Songnox DSTDP | Naugard DSTDP |
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