Bicine is an organic compound used as a buffering agent. It is one of Good's buffers and has a pKa of 8.35 at 20 °C.[1] It is prepared by the reaction of glycine with ethylene oxide, followed by hydrolysis of the resultant lactone.[2]
Names | |
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IUPAC name
N,N-Bis(2-hydroxyethyl)glycine
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Systematic IUPAC name
[Bis(2-hydroxyethyl)amino]acetic acid | |
Other names
Diethylolglycine; Diethanol glycine; Dihydroxyethylglycine; BHG
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Identifiers | |
3D model (JSmol)
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Abbreviations | DHEG |
ChEBI | |
ChEMBL | |
ChemSpider | |
DrugBank | |
ECHA InfoCard | 100.005.233 |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C6H13NO4 | |
Molar mass | 163.17 g/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Bicine is a contaminant in amine systems used for gas sweetening. It is formed by amine degradation in the presence of O2, SO2, H2S or Thiosulfate.[3]
See also
editReferences
edit- ^ N,N-Bis(2-hydroxyethyl)glycine at ChEBI
- ^ The Merck Index (10th ed.). Rahway, NJ: Merck & Co. 1983. p. 453. ISBN 0-911910-27-1.
- ^ Lawson, Gary (2003). "Amine Plant Corrosion Reduced by Removal of Bicine" (PDF). Gas Processors Association Annual Convention. Archived from the original (PDF) on 2015-06-16. Retrieved 18 March 2016.