Antioxidant 1098, CAS No.: 23128-74-7
Antioxidant 1098 is a high-performance hindered phenolic antioxidant chemically known as N,N'-(Hexane-1,6-diyl)bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanamide]. It is also known as N,N'-Hexamethylenebis(3,5-di-tert-butyl-4-hydroxyhydrocinnamamide), N,N'-Hexane-1,6-diylbis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionamide] and 3,3'-Bis(3,5-di-tert-butyl-4-hydroxyphenyl)-N,N'-hexamethylenedipropionamide. Commercial and industry references also identify it as Antioxidant 1098 and Irganox 1098.
Chemical Name: N,N'-(Hexane-1,6-diyl)bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanamide]
CAS No.: 23128-74-7
Molecular Formula: C40H64N2O4
Molecular Weight: 636.95 g/mol
EC No.: 245-442-7
IUPAC Name: 3-(3,5-di-tert-butyl-4-hydroxyphenyl)-N-[6-[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propanamido]hexyl]propanamide
Main Synonyms: Antioxidant 1098, AO 1098, Irganox 1098, Thanox 1098, TTAD, N,N'-Hexamethylenebis(3,5-di-tert-butyl-4-hydroxyhydrocinnamamide), N,N'-Hexane-1,6-diylbis[3-(3,5-di-tert-butyl-4-hydroxyphenyl)propionamide]
Chemical Type: Hindered phenolic primary antioxidant

Appearance: White crystalline powder
Content: 98.0% min (HPLC)
Melting point: 155-161℃
Volatile matter: 0.50% max
Ash: 0.10% max
Antioxidant 1098 is a high-performance, general-purpose antioxidant characterized by its non-discoloring, non-staining, heat-oxidation resistant, and extraction-resistant properties.
It is primarily used in polymers such as polyamides, polyolefins, polystyrene, ABS resins, acetal resins, polyurethanes, and rubber; it can also be used in combination with phosphorus-based secondary antioxidants to enhance antioxidative performance.
25 kg kraft bags or carton.
12000MT/year.
Store in a cool, dry and well-ventilated area.
Keep the container tightly closed when not in use.
Protect from moisture, excessive heat and direct sunlight.
Hosea Chem® supplies Antioxidant 1098, CAS 23128-74-7, for polyamide and nylon stabilization, engineering plastics, synthetic fibers, elastomers, adhesives and other polymer applications.