Chemical Properties
| Melting point | explodes [LID94] |
| density | 4.2 |
| solubility | insoluble in H2O, ethyl ether, ethanol; soluble in benzene, CS |
| form | red monoclinic crystals |
| color | red monoclinic crystals, crystalline; hygroscopic |
| Water Solubility | insoluble H2O, ether, absolute alcohol; slightly soluble CS2, benzene, acetic acid [MER06] |