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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
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Item |
Industrial Grade |
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Assay (Na2HPO4), %≥ |
98.0 |
|
Loss on drying, %≤ |
2.0 |
|
pH (1% water solution) |
8.3-10.0 |
|
Chloride (Cl ), %≤ |
0.20 |
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Sulphate (SO4), %≤ |
11.5-12.5 |
|
Water insoluble, %≤ |
0.15 | |
