Caustic Soda 500G The inorganic chemical at a minimum of 99% pure Soluble in water, ethanol, and methanol Used to make lake pigments and emulsions and soaps with wax and resin Can be substituted with potassium hydroxide Acts as a built-in detergent, removing dirt and other deposits Caustic Soda 500G Caustic soda is an essential household chemical that can be used, like many acids, as a cleaner for various things. Perfect use as a rust remover, a cleaning agent, on woodwork as a stain lifter, as a bleaching agent, and many more. The Caustic Soda is then mixed with water to turn into a solution of Oxalic acid. Moderate doses are safe for various useful functions. Features Breaks down to oxygen, water and sodium carbonate (soda ash) in your wash water Colour safe and fabric safe Effective stain removal on a multitude of surfaces Prevents fabrics from becoming yellowed or darkened