... 0.9 g/cm3.It is insoluble in water, but soluble in ether, benzene,and certain esters. Paraffin is unaffected by most common chemical ... wax used to seal envelopes usually comes in stick form and is red in color. The paraffin is melted using a heat source, such ... , a food additive, a glazing agent and in tests conducted in forensic laboratories. Paraffin is also used in liquids such as fuel, paint, dye ...