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Di-Sodium Phosphate(DSP)
Molecular formula: Na2HPO4.nH2O (n=0,12)
Molecular weight: 358.0
CAS Number: 7758-79-4
Properties:
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 1.52 g/cm3.
Uses:
Used as a fire-preventio agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent, solder, tanning agent, etc.
Packing and storage:
In 25kg, 50kg, 1000kg net bags, store at a cool ,dry and well ventilated place.
No. | Specifications | Na2HPO4 ,anhydrous | Na2HPO4 .12H2O (Duohydrate) | ||
Industrial Grade | Food Grade | Industrial Grade | Food Grade | ||
1 | Main contents %≥ | 98 | 98 | 97 | 97 |
2 | Phosphorus pentoxide,as P2O5 | 49 | 49 | 19.2 | 19.2 |
3 | PH of 1% water solution | 8.5-10.0 | 8.5-10.0 | 8.8-9.2 | 8.8-9.2 |
4 | Chloride(as Cl)max% | 0.05 | 0.014 | ||
5 | Sulfate, as SO4 % ≤ | 0.7 | 0.25 | ||
6 | Heavy metals, as Pb %≤ | 0.001 | 0.001 | ||
7 | Arsenic, as As %≤ | 0.0003 | 0.005 | 0.0003 | |
8 | Fluoride, as F %≤ | 0.005 | 0.05 | 0.005 | |
9 | Water insoluble %≤ | 0.1 | 0.1 | 0.05 | 0.05 |
Welcome to Yatai Chemical Corp., we are specialized in chemical, especially for all kinds of Nitrates, Phosphates, Sulphates, and NPK fertilizers, our process plant are all located in China. Hope you can find what you want in our product service.
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