Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

BASF Irgafos 126 Antioxidant

BASF Irgafos 126 Antioxidant is a highly effective phosphonite-based secondary antioxidant from BASF’s Irgafos series. It offers exceptional hydrolytic stability and low volatility, ideal for polyolefins, engineering plastics, and adhesives. Widely used in demanding high-temperature processing, it synergizes well with primary antioxidants like hindered phenols to deliver superior long-term thermal stability and color retention.
  • basf irgafos 126 antioxidant_cfd34bc5
  • basf irgafos 126 antioxidant_cfd34bc5

Features Of BASF Irgafos 126 Antioxidant

  1. Highly effective secondary antioxidant based on phosphite chemistry for hydroperoxide decomposition.

  2. Excellent thermal stability and low volatility, supporting high-temperature polymer processing.

  3. Good compatibility with polyolefins, engineering plastics, and elastomers without blooming or migration.

  4. Synergistic performance when combined with primary antioxidants such as hindered phenols (e.g., Irganox 1010).

  5. Low color formation during processing, preserving clarity and aesthetic quality in final products.

Typical Applications Of BASF Irgafos 126 Antioxidant

  1. Polypropylene (PP) fibers and nonwovens for hygiene and medical applications.

  2. Polyethylene (PE) films used in packaging and agricultural mulch.

  3. Automotive interior components including PP-based dashboards and trim parts.

  4. Injection-molded engineering plastic compounds for electrical and electronic housings.

  5. Recycled polyolefin formulations requiring stabilization against thermo-oxidative degradation.

Specifications Of BASF Irgafos 126 Antioxidant

Chemical TypeTris(2,4-di-tert-butylphenyl) phosphite
Product FormWhite to off-white crystalline powder
AppearanceFree-flowing granular or powdered solid
Primary ApplicationsPolyolefins (PP, PE), engineering thermoplastics, elastomers
Key FeaturesSecondary antioxidant, hydroperoxide decomposer, low volatility
BenefitsExtended melt stability, reduced discoloration, improved long-term aging resistance
Molecular Weight734.9 g/mol
Storage ConditionsStore in cool, dry place under inert atmosphere; protect from moisture and UV light


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