| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an on-tank type cleaning composition for flush toilets excellent in dispersibility from water surfaces to interspace, and excellent in durability of fragrance even if a fragrant composition contained is diluted 50,000 or more times with water. Ž<P>SOLUTION: The on-tank type cleaning composition, with which a cleaning liquid in a container is dropped little by little every time water is flushed, includes 0.001-20 mass% of the fragrant composition, which contains ≥8 mass% of each fragrance selected from both fragrant material groups of fragrant material group (I) having clean fragrance such as cis-4-decenal and fragrant material group (II) having rich fragrance such as dihydrojasmone, and which is 50,000 or more times diluted with water. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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