3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione

CAS Registry Number®

520-45-6
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CAS Name

3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione

Molecular Formula

C8H8O4

Molecular Mass

168.15

Cite this Page

3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=520-45-6 (retrieved 2024-06-16) (CAS RN: 520-45-6).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Boiling Point (1)

    269.9 °C @ Press: 760 Torr
  • Melting Point (2)

    109 °C

Source(s)

  • (1) Hazardous Substances Data Bank data were obtained from the National Library of Medicine (US)
  • (2) PhysProp data were obtained from Syracuse Research Corporation of Syracuse, New York (US)

Other Names and Identifiers

InChI

InChI=1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3

InChIKey

InChIKey=PGRHXDWITVMQBC-UHFFFAOYSA-N

SMILES

C(C)(=O)C1C(=O)C=C(C)OC1=O

Canonical SMILES

O=C1OC(=CC(=O)C1C(=O)C)C

Other Names for this Substance

  • 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-
  • 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione
  • Acetic acid, dehydro-
  • Dehydroacetic acid
  • DHAA

Deleted or Replaced CAS Registry Numbers

53488-80-5

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