非水 is read as ひすい (hisui) and means nonaqueous.
ひすい
hisui
ひはいすい
undrained
ひじょう
emergency
ひこう
delinquency
ひなん
criticism
ひじょうしき
lack of common sense
ひじょうぐち
emergency exit
ひこうしき
informal
ひこうかい
private
ひごうほう
illegal
ひれい
impoliteness
ひじょうに
very
ひ
fault