Bis(2-ethylhexyl) adipate or DEHA or DOA is an organic compound with the formula (CH2CH2CO2C8H17)2.

DEHA is sometimes called "dioctyl adipate", incorrectly.

The abbreviation DOA has been unfortunately used for both Bis(-2-ethylhexyl)-adipate and dioctyl adipate As well as related diesters derived from octanol, decanol, isodecanol, etc., it is used as a plasticizer.

[3] DEHA is used as a hydraulic fluid, and a component of aircraft lubricants.

[3] According to the International Agency for Research on Cancer (IARC), it is "not classifiable as to its carcinogenicity to humans (Group 3).