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diketene

Product name diketene
Synonyms ketene dimer
4-methylene-2-oxetanone
GOST no data
CAS 674-82-8

Diketene is a colorless volatile liquid with a pungent odor. It is soluble in organic solvents and practically insoluble in water. Diketene is extremely labile compound. It spontaneously polymerizes at the temperature above 0°C.

Production.

Diketene is produced by ketene dimerization at 40-50°C in acetone solution;

Uses.

  • Diketene is an important intermediate in manufacture of acetoacetic acid derivatives and heterocyclic compounds;
  • also it is applied for preparation of agrochemicals, dyes, pigments, pharmaceuticals, vitamins, stabilizers for PVC and polyester;

  • Manufacturer(s) OJSC Pigment
    Chemical structure of diketene

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