Potassium metaphosphate ( E341, CAS#7758-87-4, HS code:283526) is a calcium salt of phosphoric acid manufactured through chemical synthesis, available as WHITE POWDER. Tricalcium Phosphate is widely used as nutrition supplements and anti-caking agent in food production. - See more at: http://www.yameiaspartame.com/products/potassium-metaphosphate/#sthash.8o2aUvng.dpuf
TetraSodium Pyrophosphate ( E450, CAS#7722-88-5, HS code:283529) is is an odorless, white powder or granules. Asan inorganic compound manufactured from Disodium Phosphate, available as White powder.