Phosphorous acid 98.5%min white crystal Use in synthesis of phosphite salt,plastic stabilizer,pesticide etc. PRODUCT: Phosphorous ... salts, plastic stabilizers, pesticides, water-treatment chemicals, phosphite fertilizers for fruits like citrus and orange, vegetables, economic crops etc. , ... bag, 20mt/20' FCL3) Iron drum or Plastic drum4) For 70% solution, packing is 25kg/plastic pail, 250kg/plastic ...