Dimethyl terephthalate

An alternative PET feedstock used together with ethylene glycol.

Formula
C10H10O4
Functional group
Two ester groups
Molar mass
194.18 g/mol
Also known as
DMT, dimethyl benzene-1,4-dicarboxylate

Overview

DMT

An alternative PET feedstock used together with ethylene glycol.

The methyl ester groups undergo ester exchange with ethylene glycol before further chain growth. Methanol is released in this initial stage.

Identifiers

Formula
C10H10O4
Functional group
Two ester groups
Molar mass
194.18 g/mol
Also known as
DMT, dimethyl benzene-1,4-dicarboxylate
Chemical identifiers
SMILES
COC(=O)c1ccc(C(=O)OC)cc1
InChI
InChI=1S/C10H10O4/c1-13-9(11)7-3-5-8(6-4-7)10(12)14-2/h3-6H,1-2H3
PubChem CID
8441

Properties

Melting Point
141 °C
Boiling Point
288 °C
Density
1.075 g/cu cm at 141 °C
Water solubility
In water, 19 mg/L at 25 °C

Related compounds

References

  1. Polyesters: manufacture and usesChemical Industry Education Centre, University of York
  2. PubChem: Dimethyl terephthalateNational Center for Biotechnology Information

    Identity retrieved 2026-09-08; matched against the record's isomeric structure. Unspecified stereochemistry remains unspecified.

  3. Hazardous Substances Data Bank (HSDB): Dimethyl terephthalate — melting pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8441#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. CRC Handbook of Chemistry and Physics 86TH Edition 2005-2006. CRC Press, Taylor & Francis, Boca Raton, FL 2005, p. 3-210

  4. Hazardous Substances Data Bank (HSDB): Dimethyl terephthalate — boiling pointHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8441#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. CRC Handbook of Chemistry and Physics 86TH Edition 2005-2006. CRC Press, Taylor & Francis, Boca Raton, FL 2005, p. 3-210

  5. Hazardous Substances Data Bank (HSDB): Dimethyl terephthalate — densityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8441#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Lide, D.R. CRC Handbook of Chemistry and Physics 86TH Edition 2005-2006. CRC Press, Taylor & Francis, Boca Raton, FL 2005, p. 3-210

  6. Hazardous Substances Data Bank (HSDB): Dimethyl terephthalate — solubilityHazardous Substances Data Bank (HSDB)

    Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/8441#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Kuhne R et al; Chemosphere 30: 2061-77 (1995)