dehydroacetic acid


Status: none
IUPAC: 2-acetyl-5-methyl-3-oxopent-4-en-5-olide
or
3-acetyl-6-methylpyran-2,4-dione
CAS: 3-acetyl-2-hydroxy-6-methyl-4H-pyran-4-one
also
3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
also
3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione
Reg. No.: 16807-48-0; 771-03-9; 520-45-6
Formula: C8H8O4
Activity: fungicides (unclassified fungicides)
Notes: There is no ISO common name for this substance; the name “dehydroacetic acid” has been used in the literature but has no official status.
Exists in three tautomeric forms.
Structure: Structural formula of dehydroacetic acid
InChI: 3-acetyl-2-hydroxy-6-methyl-4H-pyran-4-one
InChI=1/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,11H,1-2H3
3-acetyl-4-hydroxy-6-methyl-2H-pyran-2-one
InChI=1/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,10H,1-2H3
3-acetyl-6-methyl-2H-pyran-2,4(3H)-dione
InChI=1/C8H8O4/c1-4-3-6(10)7(5(2)9)8(11)12-4/h3,7H,1-2H3

A data sheet from the Compendium of Pesticide Common Names