Similar to some of the other types of sodium hydroxide, this is another type of chemical that is commonly used in drinking water or other applications. When it comes to the appearance of Sodium Hydroxide 50%, you’ll find that it is a water white liquid that has no noticeable odor. In terms of the health effects of this chemical, the solution is corrosive and will be incredibly irritating on both your eyes and your skin. Luckily, this chemical poses no fire hazard or threat so you don’t have to worry about keeping this chemical around an open flame. This particular liquid chemical should be handled with caution and when it is in storage, you should keep it in a closed container away from any type of heat source.