First, the chemical name: trisodium Second, the formula: Na3PO4, Na3PO4 H2O, Na3PO4 12H2O three molecular weight: Anhydrous 163.94; 181.96 monohydrate, twelve from the water:?? 380.18 four, CAS: Anhydrous: 7601 -54-9; twelve from the water: 10101-89-0 five performance: a powder or crystalline granules or crystals. Dissolved in water, soluble in organic solvents not; twelve water was at least 212 ℃ lost twelve crystal water from Anhydrous (Na3PO4). Aqueous solution is alkaline, the skin has some erosion. Sixth, use: buffers, emulsifiers, anti-caking agent, antioxidant synergists, nutritional supplements, a metal chelator. 7, Packing: lined with polyethylene plastic bag. Coat composite plastic woven bag, net weight 25 kg. Eight, storage and transportation: This product should be sealed and stored in dry and ventilated warehouse, prevent moisture, heat, and stored separately from poisonous substances. Transport handling with care. Packaging to prevent breakage. Quality Index Specification GB 25565-2010 Na3PO4 (to burn dry basis), w /% ≥ Na3PO4? H2O, w /% ≥ Na3PO4? 12H2O, w /% ≥ Anhydrous Monohydrate Dodecahydrate 97.0 heavy metals (Pb), mg / kg ≤ Heavy Metals 10 lead (Pb), mg / kg ≤ Pb 4 fluoride (as F), mg / kg ≤ Fluorides (F) 50 Water-insoluble, w /% ≤ Insoluble In Water 0.2 pH (10g / L solution) pH Value 11.5 ~ 12.5 arsenic (As), mg / kg ≤ As 3 loss on ignition, w /% (Na3PO4) ≤ Loss On Ignition 2.0 (Na3PO4? H2O) 8-11 (Na3PO4? 12H2O) 45 ~ 57