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Bis(2-Hydroxyethyl) terephthalate

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Bis(2-Hydroxyethyl) terephthalate
Names
Preferred IUPAC name Bis(2-hydroxyethyl) benzene-1,4-dicarboxylate
Other names Bis(2-hydroxyethyl) terephthalate
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.012.270 Edit this at Wikidata
PubChem CID
UNII
CompTox Dashboard (EPA)
InChI
  • InChI=1S/C12H14O6/c13-5-7-17-11(15)9-1-2-10(4-3-9)12(16)18-8-6-14/h1-4,13-14H,5-8H2Key: QPKOBORKPHRBPS-UHFFFAOYSA-N
  • InChI=1/C12H14O6/c13-5-7-17-11(15)9-1-2-10(4-3-9)12(16)18-8-6-14/h1-4,13-14H,5-8H2Key: QPKOBORKPHRBPS-UHFFFAOYAN
SMILES
  • O=C(OCCO)c1ccc(C(=O)OCCO)cc1
Properties
Chemical formula C12H14O6
Molar mass 254.238 g·mol
Appearance White powder
Density 1.3 (±0.1) g/cm
Melting point 106 °C
Solubility in water 0.593 g/L
Hazards
Flash point 172.0 (±19.4) °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). Infobox references
Chemical compound

Bis(2-Hydroxyethyl) terephthalate (BHET) is an organic compound; it is the ester of ethylene glycol and terephthalic acid. Together with 2-hydroxyethyl terephthalic acid, bis(2-Hydroxyethyl) terephthalate is an intermediate in the production of poly(ethylene terephthalate). It is the product of the glycolysis reaction of PET with Ethylene glycol.

References

  1. IUPAC Chemical Nomenclature and Structure Representation Division (2013). "P-65.1.1.2.1". In Favre, Henri A.; Powell, Warren H. (eds.). Nomenclature of Organic Chemistry: IUPAC Recommendations and Preferred Names 2013. IUPACRSC. ISBN 978-0-85404-182-4.
  2. Yuan, Peiquan; Liu, Baoshu; Li, Qiuju; Sun, Hua (2022). "Solubility Determination and Correlation for Bis(2-hydroxyethyl) Terephthalate (BHET) in Four Binary Solvents from 283.15 to 323.15 K". Journal of Chemical & Engineering Data. 67 (9): 2693–2705. doi:10.1021/acs.jced.2c00194.
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