Sudan Chemical is a world-famous manufacturer, supplier, and exporter of Raw chemicals. Our RXSOL-19-1308-025 Sodium hydroxide (Caustic Soda) Liquid or RXSOL-19-1498-025 Sodium hydroxide (Caustic Soda) powder is white deliquescent solid, chiefly in the form of beads or pellets. Hazard: Corrosive to tissue in the presence of moisture.