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Ethoxyquin

CAS No.:91-53-2
Product Grade: Industrial Grade
Purity / Assay: 98.0% min
Molecular Formula:C₁₄H₁₉NO
Molecular Weight:217.31 g/mol
Synonym(s):ethoxyquin; 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline; Santoquin; Ethoxyquine

Ethoxyquin, identified by CAS number 91-53-2, is a quinoline-based antioxidant characterized by its chemical structure as 6-ethoxy-1,2-dihydro-2,2,4-trimethylquinoline. It typically appears as a viscous liquid ranging from clear yellow to dark amber. This compound is highly valued in industrial and research settings for its potent ability to inhibit the oxidation of lipids and fat-soluble vitamins, thereby extending the shelf life and maintaining the nutritional integrity of various organic materials.

Due to its chemical reactivity, ethoxyquin is sensitive to exposure to light and air, which can lead to discoloration and reduced efficacy over time. Consequently, it is generally handled and stored in airtight, light-protected containers to preserve its functional properties. Its primary role as a stabilizer makes it an essential component in the formulation of products where the prevention of oxidative rancidity is critical for maintaining quality and performance.

• It serves as a highly effective antioxidant in the production of animal feed and pet food, where it is utilized to prevent the degradation of fats, oils, and fat-soluble vitamins such as Vitamin A and Vitamin E. By inhibiting lipid peroxidation, it ensures that the caloric density and nutritional value of the feed remain stable during storage and transport.

• In the agricultural sector, ethoxyquin is employed as a post-harvest treatment for certain fruits, particularly pears and apples. It functions as a scald inhibitor, preventing the development of superficial browning and skin disorders caused by the oxidation of naturally occurring compounds, thereby maintaining the aesthetic quality of the produce.

• The compound is also utilized in the rubber and polymer industries as an antiozonant and stabilizer. It helps protect synthetic and natural rubber products from atmospheric degradation, cracking, and loss of mechanical strength caused by exposure to heat and oxygen during processing and long-term use.

• In research and laboratory environments, ethoxyquin is used as a biochemical tool to study oxidative stress and the mechanisms of antioxidant defense. Its ability to scavenge free radicals makes it a useful reference compound in assays evaluating the oxidative stability of various chemical and biological systems.

25kg/drum, 25kg/bag, 50kg/drum
CAS No.: 91-53-2

Product Name: Ethoxyquin

Purity / Assay:98.0% min
Molecular Formula:C₁₄H₁₉NO
Molecular Weight:217.31 g/mol
EINECS No.:202-075-7
Synonym(s):ethoxyquin; 6-Ethoxy-2,2,4-trimethyl-1,2-dihydroquinoline; Santoquin; Ethoxyquine

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