Molecular Formula: Na2HPO4 ¡¤ 12H 2O
Molecular Weight: 358.0
Properties: White crystal form.
Uses: As a fire-retardant agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, and etc.
Packing and storage: 25kg, 50kg net bags, store at a clean, cool, dry and well ventilated place, avoid moisture.
Item Na2HPO4 ¡¤ 12H 2O
Industrial Grade Food Grade
Assay, %¡Ý 98.0 98.0
P2O5 , % ¡Ý 19.2 19.2
pH, (1% water solution) 8.8-9.2 8.8-9.2
Chloride (as Cl), % ¡Ü -- 0.014
Sulphate, %¡Ü 0.70 0.25
Fluoride (as F), %¡Ü -- 0.005
Heavy metal (Pb), %¡Ü -- 0.001
Arsenic (As), %¡Ü -- 0.0003
Water insoluble, %¡Ü 0.10 0.05
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