Dimethyl terephthalate

CAS Registry Number®

120-61-6

CAS Name

Dimethyl terephthalate

Molecular Formula

C10H10O4

Molecular Mass

194.18

Cite this Page

Dimethyl terephthalate.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?ref=120-61-6 (retrieved 2025-07-18) (CAS RN: 120-61-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    288 °C

  • Melting Point (2)

    140 °C

  • Density (1)

    1.2 g/cm³

Source(s)

  • (1) International Chemical Safety Cards data were obtained from the National Institute for Occupational Safety and Health (US)
  • (2) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)

Other Names and Identifiers

InChI

InChI=1S/C10H10O4/c1-13-9(11)7-3-5-8(6-4-7)10(12)14-2/h3-6H,1-2H3

InChIKey

InChIKey=WOZVHXUHUFLZGK-UHFFFAOYSA-N

SMILES

C(OC)(=O)C1=CC=C(C(OC)=O)C=C1

Canonical SMILES

O=C(OC)C1=CC=C(C=C1)C(=O)OC

Other Names for this Substance

  • 1,4-Benzenedicarboxylic acid, 1,4-dimethyl ester
  • Terephthalic acid, dimethyl ester
  • 1,4-Benzenedicarboxylic acid, dimethyl ester
  • Dimethyl p-phthalate
  • Dimethyl 1,4-benzenedicarboxylate

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Deleted or Replaced CAS Registry Numbers

63143-14-6, 202644-54-0