RIANOX 245

Product Features

An asymmetric hindered phenolic primary antioxidant with low odor, very low volatility, and excellent resistance to extraction from polymer compounds. Particularly effective in styrene polymers, POM, and polyurethane systems. Also serves as an effective chain terminator during PVC polymerization. Especially noteworthy in synergistic blends with RIANOX® 168 phosphite (RIANOX B-blends).

Basic Information
CAS No. 36443-68-2
Chemical Name Triethylene glycol bis[3-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate]

Product Properties
Molecular Weight 587
Melting Range (°C) 77–81
Appearance White / Off-white Powder or Granule
Odor Low Odor
Standard Packaging 20 kg Bag

Solubility (@20°C, g/100g solvent)
Solvent Solubility
Acetone ≥50
Chloroform ≥40
Methylene Chloride ≥40
Ethyl Acetate 37
Benzene 18
Methanol 12
Ethanol 10
Toluene 6
Styrene 6
n-Hexane <0.1
Water <0.01

Recommended Substrates
ABS / MBS
PS / HIPS
POM (Polyacetal)
Polyurethane (PU)
Polyamide (PA)
Polyester
PVC
SBR / Elastomer
Spandex / PU Fiber

Industries
🚗
Automotive & Transportation

Electronics & Appliances
🧵
Textiles & Apparel
📦
Packaging
🏃
Sports & Leisure
🏗️
Building & Construction
🏥
Healthcare & Medical
🔋
Renewable Energy