content: Something is wrong with that version of an MSDS (bold text mine to highlight error) section 9:   Solubility	In water:insoluble  Section 12  Hydrogen cyanide is only weakly absorbed by organic matter(1). Hydrogen cyanide is not strongly partitioned into the sediments or suspended adsorbents, primarily due to its high solubility in water  So... is it insoluble or highly soluble?