Antioxidant 168
Product name: Antioxidant 168
Chemical name:
Butylphenyl, phosphite, Tris-(2, 4-di-tert-butylphenyl)phosphite
Tri (2, 4-ditert-butylphenyl) phosphite
Formula: C42H63O3P
Molecular weight: 646.94
CAS No. : 31570-04-4
Physical and chemical properties:
Soluble in benzene, chloroform, slightly soluble in ethanol, acetone, insoluble in water.
Routine testing:
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Project |
Indicator |
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Appearance |
White powder or granules |
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Melting point |
183.0～187.0℃ |
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Volatile matter |
≤0.30％ |
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Solubleness |
Limpidity |
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Light transmittance |
425mm |
≥98.0％ |
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500mm |
≥98.0％ |
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Acid value (in KOH)，mg/g |
≤0.30% |
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Main content |
≥99.0％ |
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2, 4 - B content |
≤0.20％ |
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Hydrolysis resistance (90℃ water, 14h) |
Qualified |
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Application:
This product is a kind of phosphite ester antioxidant, and the main antioxidant 1010 and 1076 when used with excellent synergistic effect. Its compound is widely used in polyethylene, polypropylene, polycarbonate and so on. General dosage is 0.1% ~ 1.0%.
Packaging and storage:
It is packed with paper and plastic composite bags with inner plastic bags, each bag net weight is 25kg. It can also be designed according to customers' requirements. Store in a dry and cool environment for 12 months as a general chemical.
