Description

N,N'-Propane-1,3-Diylbis[3-(3,5-Di-tert-Butyl-4-Hydroxyphenyl)Propionamide] is a high-performance, high-molecular-weight phenolic antioxidant and secondary amine-based light stabilizer. This compound is engineered to provide exceptional long-term thermal and oxidative stability to polymers, preventing degradation and extending the service life of finished products. It is a critical additive for manufacturers in the plastics, synthetic fiber, and elastomer industries who require reliable protection against heat, UV radiation, and mechanical stress for their high-value materials.

Application

• Polyolefin Stabilization: Primary application as a highly effective antioxidant for polypropylene (PP) and polyethylene (PE) in demanding environments.
• Engineering Plastics: Used to protect polyamides (nylons), polyesters (PET, PBT), and other engineering thermoplastics from thermal-oxidative degradation during high-temperature processing and end-use.
• Synthetic Fibers: Incorporated into polypropylene and polyamide fibers to maintain tensile strength and color stability during extrusion and throughout the product lifecycle.
• Elastomers and Rubbers: Provides antioxidant protection for synthetic rubbers like EPDM, SBR, and NBR, preventing cracking and loss of elasticity.
• Adhesives and Sealants: Enhances the durability and shelf-life of hot-melt and reactive adhesive formulations by inhibiting resin degradation.
• Masterbatch Production: A key active component in antioxidant and stabilizer concentrate masterbatches for simplified and uniform dispersion in polymer compounds.

Basic Information

Product Name	N,N'-Propane-1,3-Diylbis[3-(3,5-Di-tert-Butyl-4-Hydroxyphenyl)Propionamide]
CAS No.	69851-61-2
Molecular Formula	C41H64N2O4
Molecular Weight	648.96 g/mol
Synonyms	Irganox 1098; Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyl)trimethylenediamine; 1,3-Propanediamine, N,N'-bis(3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)methylenebis[propionamide]; Antioxidant 1098; ADK STAB AO-80; Lowilite 62; Hostanox PAR 24; CAS 69851-61-2
EINECS	274-273-5

Quality Control

Our production of N,N'-Propane-1,3-Diylbis[3-(3,5-Di-tert-Butyl-4-Hydroxyphenyl)Propionamide] adheres to strict quality management systems to ensure batch-to-batch consistency and performance reliability. The product is manufactured and tested to meet the high-purity standards required for polymer stabilization. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and color are provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from light to maintain efficacy.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Melting Point	156 - 162 °C
Assay (HPLC)	≥ 98.0 %
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.1 %
Transmittance (425 nm)	≥ 95 %
Transmittance (500 nm)	≥ 97 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.