Sodium dihydrogen phosphate

First, the chemical name: sodium dihydrogen phosphate, molecular formula: NaH2PO4 · 2H2O Third, MW: 156.01 four properties: colorless columnar crystals. No foul. Slightly deliquescence. The relative density of 2.04. Mp 60 ℃. Soluble in water. Insoluble in ethanol. Below 100 ℃ heating, it can be dissolved in water to form a water and salt crystallization. Heated to 100 ℃ loss of crystal water from Anhydrous and continue to heat it becomes metaphosphate. Fifth, the quality standards: Name HG2919-2000 FCC1996 content (NaH2PO4 volume),% 98.0-103.0 98.0-103.0 PH value (10g / L solution) 4.2 - 4.6 - Water-insoluble, ≤% 0.2 0.2 Heavy metals (Pb meter), ≤% 0.001 10mg / kg arsenic (As), ≤% 0.0003 3mg / kg chloride (F), ≤% 0.005 0.005 Loss on drying NaH2PO4 ≤% 2.0 2.0 NaH2PO4 .H2O,% 10.0-15.0 10.0-15.0 NaH2PO4. 2H2O,% 20.0-25.0 20.0-25.0 six purposes: buffers; quality improver; emulsifier; nutritional supplements; antioxidant synergists; brine penetration aids; sugar clarifying agent; stabilizer; gels; poultry scalding agent. 7, Packing: lined with polyethylene plastic bag, coat composite plastic woven bag, net weight 25kg.