1020 | Isovaleraldehyde3-Methylbutanal, 3-Methylbutyra, ISO-C4H9CHO, ISO-PENTANAL, Isoamylaldehyd, Isoamylaldehyde, Isopentaldehyde, Isovaleral | | Fire Service Act | Type 4 Ignite liquid | Class 1 petroleum Nonaqueous 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 |