Dimethyl terephthalate

Dimethyl terephthalate
Structural formula of dimethyl terephthalate
Names
Preferred IUPAC name
Dimethyl benzene-1,4-dicarboxylate
Other names
Dimethyl terephthalate
1,4-Benzenedicarboxylic acid dimethyl ester
Dimethyl 4-phthalate
Dimethyl p-phthalate
Di-Me terephthalate
Methyl 4-carbomethoxybenzoate
Methyl-p-(methoxycarbonyl)benzoate
Methyl terephthalate, di-
Terephthalic acid dimethyl ester (2:1)
Identifiers
3D model (JSmol)
Abbreviations DMT
1107185
ChEBI
ChemSpider
ECHA InfoCard 100.004.011 Edit this at Wikidata
EC Number
  • 204-411-8
MeSH Dimethyl+4-phthalate
RTECS number
  • WZ1225000
UNII
  • InChI=1S/C10H10O4/c1-13-9(11)7-3-5-8(6-4-7)10(12)14-2/h3-6H,1-2H3 checkY
    Key: WOZVHXUHUFLZGK-UHFFFAOYSA-N checkY
  • InChI=1/C10H10O4/c1-13-9(11)7-3-5-8(6-4-7)10(12)14-2/h3-6H,1-2H3
    Key: WOZVHXUHUFLZGK-UHFFFAOYSA-N
  • COC(=O)C1=CC=C(C=C1)C(=O)OC
  • O=C(OC)c1ccc(cc1)C(=O)OC
Properties
C10H10O4
Molar mass 194.186 g·mol−1
Appearance white solid
Density 1.2 g/cm3, ?
Melting point 142 °C (288 °F; 415 K)
Boiling point 288 °C (550 °F; 561 K)
Acidity (pKa) -7.21
Basicity (pKb) -6.60
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 ?)

Dimethyl terephthalate (DMT) is an organic compound with the formula C6H4(COOCH3)2. It is the diester formed from terephthalic acid and methanol. It is a white solid that melts to give a distillable colourless liquid.[1]

  1. ^ Richard J. Sheehan "Terephthalic Acid, Dimethyl Terephthalate, and Isophthalic Acid" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005.doi:10.1002/14356007.a26_193

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