Disodium Phosphate

Molecular Formula: Na2HPO4 · 12H 2O Molecular Weight: 358.0 Properties: White crystal form, Anhydrous material is a powder material, weathering in air, easily soluble in water, but insoluble in alcohol, it's water solution is slightly alkaline. 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. Standard executed: HG/T2965-2000 Item Na2HPO4 · 12H 2O Industrial Grade Food Grade Assay, %≥ 98.0 98.0 P2O5 , % ≥ 19.2 19.2 pH, (1% water solution) 8.8-9.2 8.8-9.2 Chloride (as Cl), % ≤ -- 0.014 Sulphate, %≤ 0.70 0.25 Fluoride (as F), %≤ -- 0.005 Heavy metal (Pb), %≤ -- 0.001 Arsenic (As), %≤ -- 0.0003 Water insoluble, %≤ 0.10 0.05