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Substance Name: Triglycol diacetate
RN: 111-21-7
UNII: A559792B4Q

Classification Codes

  • Reproductive Effect
  • Skin / Eye Irritant

Molecular Formula

  • C10-H18-O6

Molecular Weight

  • 234.246
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Names and Synonyms

Name of Substance

  • Triethylene glycol diacetate
  • Triglycol diacetate


  • 2,2'-(Ethylenedioxy)di(ethyl acetate)
  • 4-02-00-00215 (Beilstein Handbook Reference)
  • Acetic acid, triethylene glycol diester
  • AI3-02502
  • BRN 1789453
  • EC 203-846-0
  • EINECS 203-846-0
  • Ethanol, 2,2'-ethylenedioxydi-, diacetate
  • HSDB 5547
  • NSC 2591
  • TDAC
  • Triethylene glycol diacetate
  • Triglycol diacetate
  • Triglycol, diacetate
  • UNII-A559792B4Q

Systematic Names

  • 2,2'-(1,2-Ethanediylbis(oxy))bisethanol, diacetate
  • 2,2'-(Ethane-1,2-diylbis(oxy))bisethyl diacetate
  • Ethanol, 2,2'-(1,2-ethanediylbis(oxy))bis-, 1,1'-diacetate
  • Ethanol, 2,2'-(1,2-ethanediylbis(oxy))bis-, diacetate
  • Triethylene glycol, diacetate

Superlist Name

  • Triethylene glycol, diacetate

Registry Numbers

CAS Registry Number

  • 111-21-7


  • A559792B4Q

System Generated Number

  • 0000111217

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin 8mL/kg (8mL/kg)   American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969.
rat LD50 oral 22600uL/kg (22.6mL/kg)   American Industrial Hygiene Association Journal. Vol. 30, Pg. 470, 1969.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -5.00E+01 deg C   EXP
Boiling Point 286 deg C   EXP
log P (octanol-water) -0.140 (none)   EST
Water Solubility 2.92E+05 mg/L 25 EST
Vapor Pressure 4.09E-03 mm Hg 25 EST
Henry's Law Constant 2.68E-13 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 3.18E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.