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Dioctyl adipate

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Dioctyl adipate
Names
IUPAC name
Dioctyl hexanedioate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.004.231 Edit this at Wikidata
UNII
  • InChI=1S/C22H42O4/c1-3-5-7-9-11-15-19-25-21(23)17-13-14-18-22(24)26-20-16-12-10-8-6-4-2/h3-20H2,1-2H3 checkY
    Key: NEHDRDVHPTWWFG-UHFFFAOYSA-N checkY
  • InChI=1/C22H42O4/c1-3-5-7-9-11-15-19-25-21(23)17-13-14-18-22(24)26-20-16-12-10-8-6-4-2/h3-20H2,1-2H3
    Key: NEHDRDVHPTWWFG-UHFFFAOYAJ
  • O=C(OCCCCCCCC)CCCCC(=O)OCCCCCCCC
Properties
C22H42O4
Molar mass 370.57 g/mol
Density 0.92 g/mL
Melting point -67.8 °C
Boiling point 214 °C (at 0.67 kPa)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

Dioctyl adipate or DOA is a plasticizer. DOA is a diester of adipic acid and two equivalents of n-octanol. Its chemical formula is Template:Carbon22Template:Hydrogen42Template:Oxygen4.

DEHA is sometimes incorrectly called dioctyl adipate.

DOA features flexibility at low temperatures, good electrical properties, good resistance to weathering, and good stability to heat. DOA is used to produce clear films for food packaging applications. In addition, it is compatible with nitrocellulose, ethyl cellulose, most synthetic rubbers, and high-butyryl cellulose acetate butyrates. Short chain esters are used as high-boiling, biodegradable, low-toxicity solvents and antiperspirants. Long chain esters of adipic acid are used as lubricants for the functions of stability, superior lubricity, corrosion protection, biodegradability, and excellent performance at both high and low temperatures. Adipic acid esters (C5 - C10) are used as low-temperature-resistant and low-viscosity plasticizers for polymers and cellulose esters.

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