Omnistab AO 80

Omnistab AO 80

· Chemical Name:3,9-Bis[1,1-dimethyl-2-[(3-tert-butyl-4-hydroxy-5-methylphenyl)propionyloxy]ethyl]-2,4,8,10-tetraoxaspiro[5.5]undecane

· CAS:90498-90-1

· Molecular formula:C43H64O10

· Molecular weight:740.97

Structural formula:
Omnistab AO 80

OMNISTAB AO-80 is a high molecular weight type highly effective hindered phenolic antioxidant that has low volatility and excellent gas fading resistance. OMNISTAB AO-80 also shows excellent synergism with phosphites and high molecular weight thioethers for long term thermal aging and is suitable for most plastics, elastomers and synthetic fibers. Especially for PA,PUR,PE,POM, PP and etc.

AppearanceWhite to off-white powder
Assay97.00% min
Melting point115.00-125.00℃
Volatile0.50% max
Ash0.10% max
Transmittance450nm: 96.00% min
500nm: 98.00% min

Storage and transportation

25 KG Carton or as customers’ requirements.

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