Lactide

The ring-shaped monomer in the selected PLA route.

Formula
C6H8O4
Functional group
Cyclic diester
Molar mass
144.12 g/mol
Also known as
cyclic lactide

Overview

Cyclic diester of lactic acid

The ring-shaped monomer in the selected PLA route.

The ring contains two lactic-acid-derived units. Ring opening links these units into a polyester chain without treating lactide and lactic acid as two simultaneous monomers.

Identifiers

Formula
C6H8O4
Functional group
Cyclic diester
Molar mass
144.12 g/mol
Also known as
cyclic lactide
Chemical identifiers
SMILES
CC1OC(=O)C(C)OC1=O
InChI
InChI=1S/C6H8O4/c1-3-5(7)10-4(2)6(8)9-3/h3-4H,1-2H3
PubChem CID
7272
Data availability

Not published: Melting Point, Boiling Point, Density, Solubility.

Related compounds

References

  1. Lactides: cyclic diesters of lactic acidNatureWorks
  2. Ingeo technology: sugars, lactic acid, lactide and PLANatureWorks
  3. PubChem: LactideNational Center for Biotechnology Information

    Identity retrieved 2026-09-08; matched against the record's isomeric structure. Unspecified stereochemistry remains unspecified.