Di (2-ethylhexyl) Adipate

Other Trading Names:

  • DOA

CAS Number: 103-23-1

HS Code: 29171990

Types of Packaging:

  • 200KG/Drum
  • 1000kg/drum
  • 1000 kg Flexitanks
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Di (2-ethylhexyl) Adipate

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Colorless transparent oily liquid


99.5% (min)

Acid Value (max )

0.1 (mg KOH/g)

Color(APHA) (max)


Moisture (max)



0.924-0.929 (20℃ g/mL)

Flash Point (min)

190 ℃

Chemical Description:

  • Di(2-ethylhexyl) adipate, commonly known as DOA, is an organic compound classified as a dialkyl ester.
  • The chemical formula for Di(2-ethylhexyl) adipate is C22H42O4, indicating it contains 22 carbon atoms, 42 hydrogen atoms, and 4 oxygen atoms.
  • DOA is formed by the esterification of adipic acid with 2-ethylhexanol, resulting in a molecule with a backbone derived from adipic acid and two ester functional groups.
  • The structure of DOA includes two long alkyl chains attached to the adipic acid moiety, which confer hydrophobic properties to the molecule.
  • This compound appears as a clear, colorless to slightly yellow liquid, with a mild odor characteristic of esters.
  • DOA has a molecular weight of approximately 370.57 g/mol, contributing to its relatively high boiling point.
  • The boiling point of Di(2-ethylhexyl) adipate is about 214 °C (417.2 °F) at 15 mmHg pressure, indicating its stability under high-temperature conditions.
  • The melting point ofDOA ranges from -67 °C to -60 °C, reflecting its liquid state at typical ambient temperatures.
  • Di(2-ethylhexyl) adipate exhibits low water solubility, with a solubility of less than 0.1 g/100 mL, but it is soluble in most organic solvents such as alcohols, ethers, and hydrocarbons.
  • This compound is widely used as a plasticizer, particularly in the production of flexible polyvinyl chloride (PVC) products, enhancing the flexibility, durability, and workability of the plastic.
  • DOA is employed in the manufacturing of various consumer goods, including food packaging materials, cling films, and toys, due to its ability to impart pliability without compromising structural integrity.
  • It is also used in the formulation of adhesives, sealants, coatings, and inks, contributing to the flexibility and spreadability of these products.
  • The compound's low volatility and resistance to leaching make it suitable for use in applications where prolonged contact with other materials or substances occurs.
  • In the realm of cosmetics and personal care products,DOA serves as a solvent and emollient, aiding in the delivery and smooth application of active ingredients.
  • Di(2-ethylhexyl) adipate is also utilized in the agricultural industry as a component in the formulation of pesticides and herbicides, enhancing their effectiveness and application properties.
  • While DOA is considered relatively safe, it is subject to regulatory scrutiny to ensure it does not pose significant risks to human health or the environment.
  • Various studies have been conducted to assess the toxicity and environmental impact of DOA, generally indicating low acute toxicity and minimal environmental persistence.
  • The biodegradation of Di(2-ethylhexyl) adipate in the environment is facilitated by microbial action, leading to its breakdown into simpler compounds.
  • Despite its widespread use, monitoring and control measures are in place to manage any potential risks associated withDOA exposure, particularly in occupational settings.
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Di (2-ethylhexyl) Adipate