945 | Potassium hydrideHydrogen potassium salt, KH, Potassium hydrid, Potassium hydride (KH), Potassium hydride in paraffin, Potassium monohydride, Potassiumhydride, Potassiumhydride(kh) | | Fire Service Act | Type 3 pyrophoric substance and Dangerous when Wet | Class 2 pyrophoric substance and Dangerous when Wet | 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 |