| 1263 | 3-Methyl-2-cyclopenten-1-one1-Methyl-1-cyclopenten-3-one, 1-Methylcyclopentene-3-one, 3-MCP, 3-Methyl-2-cyclopenten-1-on, 3-Methyl-2-cyclopentene-1-one, 3-Methyl-2-cyclopentenone, 3-Methyl-cyclopent-2-enone, 3-Methylcyclopent-2-enone, Methylcyclopentenone | | Fire Service Act | Type 4 Ignite liquid | Class 2 petroleum Aqueous liquid | Handling or storage; Submission of a notification in the case that the amount is 20-100% of the specified value; permit required in the case that the amount is >100% of the specified value (the sum of proportions is calculated when storing/handling multiple classes in the same place) | Fire and Disaster Management Agency | | Fire Service Act |