Model NO.: Antioxidant 168
Trademark: BOHAN
Specification: 99% min
Origin: China
HS Code: 3812301000
Chemical name: Antioxidant 168Tris(2,4-ditert-butylphenyl) phosphiteÂ
CAS No.: 31570-04-4
Molecular weight: 646
Chemical formula: C42H63O3P
Use: A kind of high-effective solid phosphite ester antioxidant, which  has excellent performance in polymers' color protection. Often mixed with phenolic principal antioxidant (e.g. AO 1010) to prepare com-posite antioxidant, which could improve the thermo-stability of polymer processing, and making it widely used in PE, PP, HDPE, LDPE, LLDPE, ABS and many other polymer materials.
Packing: 25kg/carton or drum (N. W. )Â
Storage: Stored in cool, shady and ventilated place, keep far away from fire.
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| ITEM | STANDARD |
| Appearance | White to offwhite powder |
| Purity %≥ | 99.0 |
| Melting point temperature | 184-187ºC |
| Acid value:(mg KOH/g)%≤ | 0.3 |
| Light Transmittance: | 425nm≥98% 500nm≥98% |
| Volatiles  %≤ | 0.3 |
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