A fragrant compound or fragrant composition stable for a long period of time in an acidic hard article
surface cleaning liquid adjusted so as to be acidic, particularly to pH 2.0 to 3.0 with an
organic acid. One or more of fragrant compounds selected from the group consisting of 2,6-dimethyl-2-
heptanol, 3,3-dimethylcyclohexyl
methyl ketone, o-tert-butylcyclohexanol, α-amylcinnamic
aldehyde, α-
damascone, γ-octalactone, γ-nonalactone, γ-decalactone,
anethole,
ethyl benzoate, ethyl 2,2,6-trimethylcyclohexanecarboxylate, 2,2,6-trimethyl-1-crotonylcyclohexane, 6-acetyl-1,1,2,4,4,7-hexamethyltetrahydronaphthalene, isoamyl phenylethyl
ether, methyl octin
carbonate, 6,7-dihydro-1,1,2,3,3-pentamethyl-4(5H)-indanone, tricyclodecenyl acetate, undecyl
aldehyde, fenchyl acetate, dihydrojasmone, cedryl methyl
ether, p-
cresol, hexyl
aldehyde, and rosephenone are stable.