| ≥1 piece |
Alias: Anhydrous disodium hydrogen phosphate
CAS No. :7558-79-4
Molecular Formula: Na 2 HPO 4
MW: 141.98
Character: White powder, flake or granular material. It dissolves in water and its aqueous solution is alkaline; not soluble in alcohol. Heat it up to 95 centigrade loses dihydrate and become sodium hydrogen phosphate anhydrous.
Uses: used as a water softener, fabric weight agent, fire retardant, and is used to glaze, solder medicine, pharmaceuticals, paints, food industry and manufacturing ,water treatment agent, printing and dyeing detergent, quality improver , neutralizer, antibiotics train agents, biological and chemical treatment agent of food quality improver
Quality standard(reference standard)
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Specifications |
Na 2 HPO 4 (Anhydrous) |
Na 2 HPO 4 .12H 2 O (Duohydrate) |
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|
Industrial Grade |
Food Grade |
Industrial Grade |
Food Grade |
|
|
Main contents %≥ |
98 |
98 |
97 |
97 |
|
P 2 O 5 %≥ |
49 |
49 |
19.2 |
19.2 |
|
PH of 1% water solution |
8.5-10.0 |
8.5-10.0 |
8.8-9.2 |
8.8-9.2 |
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Chloride,as Cl % ≤ |
|
|
0.05 |
0.014 |
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Sulfate, asSO 4 %≤ |
|
|
0.7 |
0.25 |
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Heavy metals, as Pb %≤ |
|
0.001 |
|
0.001 |
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Arsenic, as As %≤ |
|
0.0003 |
0.005 |
0.0003 |
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Fluoride, as F %≤ |
|
0.005 |
0.05 |
0.005 |
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Water insoluble %≤ |
0.1 |
0.1 |
0.05 |
0.05 |