974 | Isopropyl ether(iso-C3H7)2O, DIPE, Diisopropyleth, Diisopropyloxide, Ether,Isopropyl, Isopropyl ethe, Isopropyl oxide, Isoprpyl ether | | 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 |