Diglycolic acid

Diglycolic acid
Names
Preferred IUPAC name
2,2′-Oxydiacetic acid
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.003.476
EC Number
  • 203-823-5
UNII
  • InChI=1S/C4H6O5/c5-3(6)1-9-2-4(7)8/h1-2H2,(H,5,6)(H,7,8) N
    Key: QEVGZEDELICMKH-UHFFFAOYSA-N N
  • InChI=1/C4H6O5/c5-3(6)1-9-2-4(7)8/h1-2H2,(H,5,6)(H,7,8)
    Key: QEVGZEDELICMKH-UHFFFAOYAA
  • C(C(=O)O)OCC(=O)O
Properties
C4H6O5
Molar mass 134.09 g/mol
Melting point 140-144°C
Acidity (pKa) 2.79, 3.93 (20°C)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Diglycolic acid is an aliphatic dicarboxylic acid, its acidity is between the one of acetic acid and oxalic acid. It is formed in the oxidation of diethylene glycol in the body and can lead to severe complications with fatal outcome.

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