Testing Information

Testing Status of Agents at NTP

CAS Registry Number: 103-23-1

Print this page Easy Link

http://ntp.niehs.nih.gov/go/25921

Selected information from two of the National Library of Medicine's databases: ChemIDPlus1 and HSDB2.

Names (NTP)

  • Di(2-ethylhexyl)adipate
  • HEXANEDIOIC ACID, BIS(2-ETHYLHEXYL)ESTER (9CI)

Structure

Chemical Structure for CAS Registry Number 103-23-1 from NLM

Back to top

Chemical Properties2

Property Description
Color/Form
  • COLORLESS OR VERY PALE AMBER LIQ
  • Light colored, oily liquid.
Odor
  • SLIGHT AROMATIC SMELL
  • Odorless
  • Mild
Taste
  • None found
Boiling Point
  • 214 deg C @ 5 mm Hg
Melting Point
  • -67.8 deg C
Molecular Weight
  • 370.57
Corrosivity
  • None found
Critical Temperature & Pressure
  • Critical temperature: 571.84 deg C (845 K); Critical pressure: 1.1200X10+6 Pa
Density/Specific Gravity
  • 0.922 @ 25 deg C/4 deg C
Disassociation Constants
  • None found
Heat of Combustion
  • -15,430 Btu/lb= -8,580 cal/g= -359X10+5 Joules/kg
Heat of Vaporization
  • 1.2542X10+8 J/kmol at -111.66 deg C
log P (octanol-water)
  • None found
pH
  • Acidity: 0.25 (meg/100 gm. max)
Solubilities
  • SOL IN MOST ORG SOLVENTS; INSOL OR VERY SLIGHTLY SOL IN GLYCERINE & GLYCOLS
  • Soluble in ethanol, ethyl ether, acetone, and acetic acid
  • In water, 0.78 mg/l @ 22 deg C
Spectral Properties
  • Index of refraction: 1.4474 @ 20 deg C/D
  • Intense mass spectral peaks: 41 m/z (100%), 57 m/z (90%), 55 m/z (73%), 43 m/z (62%)
  • IR:8003 (Sadtler Researd Laboratories IR Grating collection)
  • Mass: 2-710 (Archives of Mass Spectral Data, John Wiley & Sons, New York)
Surface Tension
  • None found
Vapor Density
  • 12.8 (Air= 1)
Vapor Pressure
  • 8.5X10-7 mm Hg at 20 deg C
Relative Evaporation Rate
  • None found
Viscosity
  • 13.7 cP @ 20 deg C
Other Properties
  • Pour point: -75 deg C
  • VAPOR PRESSURE: 2.4 MM HG @ 200 DEG C
  • Henry's Law constant= 4.34X10-7 atm-cu m/mole @ 20 deg C
  • Wt/gal: 7.71 lb (20 deg C) **PEER REVIEWED**

Back to top

Uses2

  • Plasticizer, commonly blended with general purpose plasticizers, such as /di-n-octyl phthalate/ and /diisooctyl phthalate/ in processing polyvinyl and other polymers; solvent; aircraft lubes
  • Functional (hydraulic) fluid
  • Plasticizer or solvent in the following cosmetics: bath oils, eye shadow, cologne, foundations, rouge, blusher, nail-polish remover, moisturizers and indoor tanning preparations
  • ... PVC film now used in meat wrapping operations contains bis(2-ethyl hexyl) adipate (DOA) as its major plasticizer.

Back to top

Superlist Classes1

  • Overall Carcinogenic Evaluation: Group 3
  • ATSDR Profile Priority List, rank : 268

Back to top

Notes (Sources: NTP,HSDB,RTECS,MESH)1

  • None found

Back to top

Other Registry Numbers1

  • 39393-67-4
  • 63637-48-9
  • 70147-21-6

Back to top

Synonyms (Sources: NTP, HSDB,RTECS,MESH)1

  • 4-02-00-01964 (Beilstein Handbook Reference)
  • Adipic acid, bis(2-ethylhexyl) ester
  • Adipol 2EH
  • ADO (lubricating oil)
  • AI3-28579
  • BEHA
  • Bis(2-ethylhexyl) adipate
  • Bis(2-ethylhexyl) hexanedioate
  • Bisoflex DOA
  • BRN 1803774
  • Crodamol DOA
  • DEHA
  • Di-2-ethylhexyl adipate
  • Dioctyl adipate
  • DOA
  • Effomoll DOA
  • Ergoplast ADDO
  • Flexol A 26
  • Flexol plasticizer A-26
  • Flexol plasticizer 10-A
  • Hatcol 2908
  • Hexanedioic acid, dioctyl ester
  • HSDB 343
  • Kemester 5652
  • Kodaflex DOA
  • Lankroflex DOA
  • Mollan S
  • Monoplex DOA
  • Morflex 310
  • NCI-C54386
  • NSC 56775
  • Octyl adipate
  • Plastomoll DOA
  • PX-238
  • Reomol DOA
  • Rucoflex Plasticizer DOA
  • Sansocizer DOA
  • Sicol 250
  • Staflex DOA
  • Truflex DOA
  • Uniflex DOA
  • Vestinol OA
  • Wickenol 158
  • Witamol 320

Back to top

Links to Additional Information1

Back to top

Footnotes

1 Source: the National Library of Medicine's ChemIDPlus, 10/28/2007.

2 Source: the National Library of Medicine's Hazardous Substance Database, 10/28/2007.

Back to top

Web page last updated on May 14, 2008