Molecular formula : Na2HPO4 Molecular weight : 141.98 Properties : white powder & granules, easily soluble in water, aqueous solution is alkaline; Insoluble in alcohols, easily deliquescence. Uses : As fire retardant of textiles, wood and paper; as auxiliary agent of reactive dyes. Packing and storage : 25kg bagged, stored in draughty, dry and clean place, avoid moisture. Standard executed: Reference standard Item Industrial Grade Assay (Na2HPO4), %≥ 98.0 Loss on drying, %≤ 2.0 pH (1% water solution) 8.3-10.0 Chloride (Cl ), %≤ 0.20 Sulphate (SO4), %≤ 11.5-12.5 Water insoluble, %≤ 0.15