Overview
Ethoxyquin is a synthetic antioxidant primarily used to prevent oxidative degradation in animal feed and perishable goods. Developed in the 1950s, it gained widespread adoption due to its effectiveness in extending shelf life and maintaining nutritional quality. Its chemical stability and low toxicity at regulated doses make it a preferred choice in agriculture and food preservation industries. While ethoxyquin is approved for use in many countries, its application is subject to strict regulations due to potential health concerns. B2B buyers should stay informed about regional legal limits and ensure compliance when procuring this chemical.
Physical and Chemical Properties
Ethoxyquin is a yellow to brown viscous liquid with a characteristic odor. It exhibits high solubility in organic solvents like ethanol and acetone but is virtually insoluble in water. Its molecular structure includes a quinoline ring, contributing to its antioxidant activity by scavenging free radicals. The compound is thermally stable under normal storage conditions but may degrade under prolonged exposure to UV light or extreme heat. Its low volatility reduces evaporation risks, making it suitable for long-term storage in sealed containers.
Main Applications
The primary use of ethoxyquin is as a feed additive, particularly in poultry, swine, and aquaculture diets, where it prevents rancidity in fats and oils. It also preserves fish meal during transport and storage, a critical application for the global animal feed industry. Beyond agriculture, ethoxyquin serves as an antioxidant in rubber manufacturing and plastic stabilization. Some pharmaceutical formulations include it to protect active ingredients from oxidation. However, its use in human food is highly restricted or banned in many jurisdictions due to safety evaluations.
Safety and Storage
Ethoxyquin requires careful handling to minimize occupational exposure. Workers should wear gloves, goggles, and respirators when handling concentrated forms, as it may irritate the skin, eyes, and respiratory tract. Spills should be contained with inert absorbents and disposed of as hazardous waste. Storage recommendations include keeping containers tightly sealed in cool (below 25°C), dark environments away from oxidizing agents. Bulk storage tanks should be grounded to prevent static discharge. Regulatory-compliant safety data sheets (SDS) must accompany all commercial shipments.
B2B Procurement Guide
When sourcing ethoxyquin, prioritize suppliers with certifications like ISO 9001 and GMP. Request batch-specific certificates of analysis (CoA) to verify purity (typically 95-98%) and check for impurities such as p-phenetidine. Large-volume buyers may negotiate discounts for drum (200 kg) or tote (1,000 kg) quantities. Logistics planning is essential due to its classification as a hazardous material (UN3082). Sea freight often requires dangerous goods declarations. Stay updated on regulatory changes, as some regions (e.g., EU) have phased out feed applications, creating demand for alternative antioxidants.
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