Description

Ethoxyquin Dimer is a high-purity, industrially significant antioxidant compound. It is valued for its superior stability and effectiveness in protecting sensitive materials from oxidative degradation. This product is essential for manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance the shelf-life and performance of their formulations.

Application

• Primary antioxidant and stabilizer in synthetic rubber and elastomer production.
• Additive in polymer resins (e.g., polyolefins) to prevent thermal and oxidative degradation during processing and service.
• Stabilizing component in lubricants, greases, and industrial oils to extend operational life.
• Protective agent in adhesive and sealant formulations to maintain integrity and performance.
• Intermediate in the synthesis of more complex, high-performance antioxidant systems.
• Used in research and development for studying antioxidant mechanisms and efficacy.

Basic Information

Product Name	Ethoxyquin Dimer
CAS No.	74681-77-9
Molecular Formula	C30H40N2O2
Molecular Weight	460.66 g/mol
Synonyms	1,2-Dihydro-6-ethoxy-2,2,4-trimethylquinoline Dimer; 1,2-Dihydro-2,2,4-trimethyl-6-ethoxyquinoline Dimer; Ethoxyquin Dimer; Santoquin Dimer; EMQ Dimer; 6-Ethoxy-1,2-dihydro-2,2,4-trimethylquinoline Dimer; Antioxidant Dimer
EINECS	Contact for details

Quality Control

Our Ethoxyquin Dimer is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and other critical parameters is provided with every shipment to guarantee consistency and reliability for your industrial processes.

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 material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere); prolonged exposure to air and light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Yellow to light brown powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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