Bis(2-Hydroxyethyl) terephthalate

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.^[3]

Bis(2-Hydroxyethyl) terephthalate

Names
Preferred IUPAC name Bis(2-hydroxyethyl) benzene-1,4-dicarboxylate[1]
Other names Bis(2-hydroxyethyl) terephthalate
Identifiers
CAS Number	959-26-2 Y
3D model (JSmol)	Interactive image
ChemSpider	13144
ECHA InfoCard	100.012.270
PubChem CID	13739
UNII	J61IL5R964 Y
CompTox Dashboard (EPA)	DTXSID3052644
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,5-8H2 Key: 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,5-8H2 Key: QPKOBORKPHRBPS-UHFFFAOYAN
SMILES O=C(OCCO)c1ccc(C(=O)OCCO)cc1
Properties
Chemical formula	C12H14O6
Molar mass	254.238 g·mol−1
Appearance	White powder
Density	1.3 (±0.1) g/cm3
Melting point	106 °C
Solubility in water	0.593 g/L[2]
Hazards
Flash point	172.0 (±19.4) °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references