Description

(2,5-Dimethylpiperazine-1,4-Diyl)Diethylene Bis[3-[3,5-Di-tert-Butyl-4-Hydroxyphenyl]Propionate] is a high-performance, sterically hindered phenolic antioxidant designed for demanding polymer stabilization applications. Its molecular structure provides exceptional long-term thermal stability and protection against oxidative degradation, which is critical for maintaining the integrity and lifespan of sensitive materials. This compound is essential for formulators and manufacturers in the plastics, synthetic fiber, and specialty elastomer industries seeking to enhance product durability under harsh operating conditions.

Application

• Primary antioxidant for polyolefins (PP, HDPE, LDPE) to prevent thermal oxidation during processing and end-use.
• Stabilizer for engineering plastics and synthetic fibers to retain mechanical properties and color.
• Additive in hot-melt adhesives and sealants to improve heat resistance and shelf life.
• Key component in polymer masterbatches and concentrates for efficient dispersion.
• Stabilization of elastomers and rubber compounds against aging and cracking.
• Protective agent in lubricants and greases to inhibit oil thickening and deposit formation.

Basic Information

Product Name	(2,5-Dimethylpiperazine-1,4-Diyl)Diethylene Bis[3-[3,5-Di-tert-Butyl-4-Hydroxyphenyl]Propionate]
CAS No.	76891-00-4
Molecular Formula	C48H68N2O8
Molecular Weight	801.1 g/mol
Synonyms	Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyloxyethyl) 2,5-dimethylpiperazine; Antioxidant 76891-00-4; 1,4-Bis(3,5-di-tert-butyl-4-hydroxyhydrocinnamoyloxyethyl)-2,5-dimethylpiperazine; 2,5-Dimethylpiperazine-1,4-diyl di-2,1-ethanediyl bis[3-(3,5-bis(1,1-dimethylethyl)-4-hydroxyphenyl)-1-oxopropoxy]benzenepropanoate; High molecular weight phenolic antioxidant; Polymeric hindered phenol stabilizer
EINECS	Contact for details

Quality Control

Our production of (2,5-Dimethylpiperazine-1,4-Diyl)Diethylene Bis[3-[3,5-Di-tert-Butyl-4-Hydroxyphenyl]Propionate] adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. All material is subjected to rigorous analytical testing, including HPLC for assay and purity, to meet precise customer specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and physical properties is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) after opening to maintain efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	115 - 125 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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