Dioctyl Adipate (DOA)
Dioctyl adipate (DOA) is a clear, colorless, and odorless liquid organic compound that belongs to the family of adipate esters. It is derived from the reaction of adipic acid with 2-ethylhexanol and is commonly used as a plasticizer in various industrial applications. DOA is known for its low volatility, good electrical properties, and excellent low-temperature flexibility, which makes it a popular choice for applications that require flexibility even at low temperatures. It is also widely used in the food packaging industry, as it is approved by the FDA for use as a food contact material. However, DOA is not without its drawbacks. It has a relatively low resistance to extraction by water, which can limit its use in certain applications. Additionally, it has a limited resistance to high-temperature environments, which can cause it to degrade over time. Despite these limitations, DOA remains a widely used and important industrial chemical.
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Specifications
| IUPAC Name | Dioctyl Hexanedioate |
|---|---|
| CAS Number | 123-79-5 |
| HS Code | 291712 |
| Formula | C22H42O4 |
| Appearance | Colorless, Clear, Oily Liquid |
| Common Names | Dioctyl Adipate, Adipic Acid di(2-Ethylhexyl) Ester, (2-Ethylhexyl) Phthalate |
| Packaging | 150 Kg Galvanized Iron Drum |
Applications
Flexible plastics: DOA is used as a plasticizer in the production of flexible PVC
(polyvinyl chloride) products, such as artificial leather, wallpaper, and electrical
wire coatings. It improves the flexibility, durability, and resistance to low temperatures
of these products.
Resins: DOA is used as a plasticizer in the production of various types of resins,
such as alkyd resins, which are used in paints, varnishes, and coatings.
Synthetic rubber: DOA is used as a plasticizer in the production of synthetic rubber,
such as nitrile rubber and styrene-butadiene rubber, to improve their flexibility and
low-temperature properties.
Food packaging: DOA is approved by the FDA as a food contact material and is used as
a plasticizer in the production of food packaging materials, such as films and containers.
Other applications: DOA is also used in other applications, such as in the production
of adhesives, sealants, and lubricants.