Chemical Name: 5,7-Di-tert-butyl-3-(3,4-dimethylphenyl)-3H-benzofuran-2-one
Molecular Formula: C24H30O2
Structure
 
 
CAS Number: 164391-52-0
Specification
| Appearance | White powder or granular | 
| Assay | 98% min | 
| Melting Point | 130℃-135℃ | 
| Light Transmittance | 425 nm: ≥97%; 500nm: ≥98% | 
Applications 
Antioxidant HP136 is particular effect for extrusion processing of Polypropylene at high temperature in extrusion equipment. It could effectively anti-yellowing and protect the material by trapping the carbon and alkyl radical that easily formed in hypoxic condition.
It performs as a better synergist with phenolic antioxidant AO1010 and Phosphite Ester Antioxidant AO168.
Packing and Storage
Packing: 25kg/bag
Storage: Store in closed containers in a cool, dry, well-ventilated place. Avoid exposure under direct sunlight.