乙二醇
含两个碳的二元醇，为 PET 合成提供醇羟基。
- 化学式
- C2H6O2
- 官能团
- Two hydroxyl groups
- 摩尔质量
- 62.07 g/mol
- Also known as
- ethane-1,2-diol, ethylene glycol, EG
概览
乙烷-1,2-二醇
乙二醇的两个羟基与对苯二甲酸或其二甲酯形成 PET；工业路线可先将乙烯氧化为环氧乙烷，再以水开环。
Identifiers
- 化学式
- C2H6O2
- 官能团
- Two hydroxyl groups
- 摩尔质量
- 62.07 g/mol
- Also known as
- ethane-1,2-diol, ethylene glycol, EG
化学标识符
- SMILES
- OCCO
- InChI
- InChI=1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
- PubChem CID
- 174
性质
- 熔点
- -12.69 °C
- 沸点
- 197.3 °C
- 密度
- 1.1135 g/cu cm AT 20 °C
- 水中溶解度
- Miscible with water
Related compounds
参考文献
- Polyesters: manufacture and usesChemical Industry Education Centre, University of York
- Ethylene oxide and ethylene glycol process technologyShell
- PubChem: Ethylene glycolNational Center for Biotechnology Information
Identity retrieved 2026-09-08; matched against the record's isomeric structure. Unspecified stereochemistry remains unspecified.
- Hazardous Substances Data Bank (HSDB): Ethylene glycol — melting pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/174#section=Melting-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.) CRC Handbook of Chemistry and Physics. 91st ed. Boca Raton, FL: CRC Press Inc., 2010-2011, p. 3-232
- Hazardous Substances Data Bank (HSDB): Ethylene glycol — boiling pointHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/174#section=Boiling-Point. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.) CRC Handbook of Chemistry and Physics. 91st ed. Boca Raton, FL: CRC Press Inc., 2010-2011, p. 3-232
- Hazardous Substances Data Bank (HSDB): Ethylene glycol — densityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/174#section=Density. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Haynes, W.M. (ed.) CRC Handbook of Chemistry and Physics. 91st ed. Boca Raton, FL: CRC Press Inc., 2010-2011, p. 3-232
- Hazardous Substances Data Bank (HSDB): Ethylene glycol — solubilityHazardous Substances Data Bank (HSDB)
Retrieved through PubChem PUG View on 2026-09-08. https://pubchem.ncbi.nlm.nih.gov/compound/174#section=Solubility. Source value, complete property clause or compact miscibility statement retained; absent pressure, temperature or phase conditions are not inferred. Original reference: Riddick, J.A., W.B. Bunger, Sakano T.K. Techniques of Chemistry 4th ed., Volume II. Organic Solvents. New York, NY: John Wiley and Sons., 1985., p. 264