DSP

Disodium Phosphate (DSP) CAS Number: 7558-79-4 Molecular Formula:H2Na2O7P2 Molecular Weight:221.94 EINECS:231-835-0 Appearance:white powder Properties:White, crystalline powder or monoclinic lattice. D: 1.862, mp: 220° (decomp). Sol in water. Safety:24/25 White or colorless crystalline free flowing solid, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.63, melting point at 34.6° C.Application: Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, etc. Package: In 25kg, 50kg, 1000kg net bags, store at a cool, dry and well ventilated placeTechnical Data:No.SpecificationsNa2HPO4Na2HPO4·12H2OIndustrial GradeFood GradeIndustrial GradeFood Grade1Main contents % ≥98.098.097.097.02PH of 1% water solution % ≤8.5-10.08.5-10.08.5-9.28.8-9.23Sulfate, as SO4 % ≤0.70.254Heavy metals, as Pb % ≤0.0010.0015Arsenic, as As % ≤0.00030.00036Fluoride, as F % ≤0.0050.0057Water insoluble % ≤0.100.100.100.10 Disodium hydrogen phosphate; DSP; Sodium phosphate, dibasic; Disodium hydrogen phosphate dodecahydrate