Dehydroacetic acid

C8H8O4CAS 520-45-6168.15 g/mol

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AlkeneEsterKetoneLactone

Properties

Molecular formula
C8H8O4
Molar mass
168.15 g/mol
Exact mass
168.0423 Da
Melting point
109 °C
Boiling point
269.9 °C
Flash point
157 °C (open cup)
logP
0.22Crippen estimate
Polar surface area
60.4 Ų
H-bond donors / acceptors
0 / 4
Rotatable bonds
1

Hazards

Warning
Irritant (GHS07)

Harmonised EU classification (CLP Annex VI), via PubChem.

Precautionary statements

P264, P270, P301+P317, P330, P501

Identifiers

CAS number
520-45-6
SMILES
CC(=O)C1C(=O)C=C(C)OC1=O
InChIKey
PGRHXDWITVMQBC-UHFFFAOYSA-N
InChI
InChI=1S/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

16 names · show all
  • 2H-Pyran-2,4(3H)-dione, 3-acetyl-6-methyl-
  • 3-Acetyl-6-methyl-2H-pyran-2,4(3H)-dione
  • Acetic acid, dehydro-
  • DHAA
  • DHS
  • 4-Hexenoic acid, 2-acetyl-5-hydroxy-3-oxo-, δ-lactone
  • 3-Acetyl-6-methyldihydropyrandione-2,4
  • Dehydracetic acid
  • 3-Acetyl-6-methylpyran-2,4(3H)-dione
  • 3-Acetyl-6-methyl-1-oxacyclohex-5-ene-2,4-dione
  • Biocide 470F
  • NSC 8770
  • Geogard 111A
  • 3-Acetyl-6-methyl-3,4-dihydro-2H-pyran-2,4-dione
  • 3-Acetyl-6-methyl-pyran-2,4-dione
  • 3-Acetyl-6-methylpyran-2,4-dione

Reactions

Work with Dehydroacetic acid

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere