Technical Information
Anox PP18  Phenolic Antioxidant
Anox PP18 is a high molecular weight hindered phenolic antioxidant available in both powder and granular form.
Octadecyl-3-(3’,5’-di-t-butyl-4’-hydroxyphenyl) propionate
CAS Reg. Number [2082-79-3]
Typical Properties
Appearance White, free flowing solid
Bulk density, (g/ml) 0.45
Molecular weight 531
Specific Gravity @ 20°C, g/ml 1.07
Melting range, °C 50 – 55
Flash point, °C 273
Thermogravimetric Analysis ( 10 mg @ 10°C/minute under N2)
  Weight Loss, % 5 10 25
  Temperature,°C 260 278 302
Solubility @ 20°C (g/100mL solvent)
Water Insoluble Acetone 50
Ethyl acetate 95 Chloroform 140
Xylene 104 Hexane 52
O
O-n-C18H3 7
HO
Methanol <1 Mineral oil 10
Anox PP18 effectively reduces oxidative degradation of most polymeric substances during processing and end-use applications.   Anox PP18 is an excellent stabilizer for polyolefins, impact modified styrenics, block co-polymers, elastomers, adhesives, PVC and polyurethanes.

• 产品品牌:美国科聚亚大湖抗氧剂1010 626