Sodium Chromate Tetrahydrate presents as odorless bright yellow deliquescent crystals. It is stable and soluble in water, creating an alkaline aqueous solution. Chemical properties of Sodium Chromate Tetrahydrate include oxidant corrosion inhibition and wood preservation. This chemical is hygroscopic and incompatible with strong reducing agents, organic materials, strong acids, combustible materials and powdered metals. It is nonflammable and should be kept at ambient temperatures. Great care should be taken as it is toxic if swallowed, harmful in contact with skin and fatal if inhaled.