Trisodium Phosphate Specification : purity: 98%min. P2O5:18.3% min. sulphate :0.5%max. chloride :0.3%max. water insoluble :0.1%max. PH :11.5-12.5 Uses: Mainly used as softener, washings, detergent of boiler, rust handling agent, scavenger of molasses, fabric mercerization agent.