Disodium hydrogenphosphate dihydrate

Disodium hydrogenphosphate dihydrate Identification Name Disodium hydrogenphosphate dihydrate Synonyms Sodium phosphate dibasic dihydrate Molecular Formula Na2HPO4.2(H2O) Molecular Weight 177.99 CAS Registry Number 10028-24-7 Properties Melting point 243-245 ºC Safety Data Safety Description S22;S24/25 Details Classification: Phosphate Type: Disodium Phosphate CAS No.: 10039-32-4 Grade Standard: Food Grade, Industrial Grade Purity: 98% Appearance: White or colorless crystal, efflore... Application: Used as a fire-prevention agent fo... Brand Name: Tian Fu Model Number: NA White or colorless crystal: efflorescent in air... Disodium Hydrogen Phosphate Properties: White or colorless crystal, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density is 1.63, melting point is 34.6°C. Uses: 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, and etc. Technical Specifications: No. Index Industrial Grade Food grade 1 Main content %≥ 98.0 98.0 2 P2O5 %≥ 19.2 19.4 3 pH of 1% water solution 8.8-9.2 9.0-9.4 4 Chloride, as Cl % ≤ 0.05 0.014 5 Sulfate, as SO4 % ≤ 0.7 0.25 6 Heavy metal, as Pb % ≤ - 0.001 7 Arsenic, as As % ≤ 0.005 0.0003 8 Fluoride, as F % ≤ 0.05 0.002 9 Water insoluble % ≤ 0.10 0.05