Dibasic Sodium Phosphate(DSP)
Basic information:
CAS NO.7558-79-4 / 10039-32-4
Chemical formula:Na2HPO4?12H2O
Molecular weight:141.96/358.0
Character:white crystalline powder
Density:(g/mL25ºC）：1.63
Melting point:34.6℃
Techical Index(Mass fraction/%)
|
Items |
Industrial grade |
|
|
Anhydrous |
Dodecahydrate |
|
|
Main Assay ≥ |
98.0 |
98.0 |
|
Phosphorus Pentoxide（Calculated asP2O5 ） ≥ |
49.0 |
19.2 |
|
Water insoluble ≤ |
0.10 |
0.10 |
|
Heavy Metal(Calculated as Pb) ≤ |
0.005 |
0.005 |
|
Sulphate(Calculated as SO4) ≤ |
0.7 |
0.7 |
|
Chloride(Calculated as Cl)≤ |
0.06 |
0.05 |
|
PH Value(10g/L solution) |
8.80-9.2 |
8.80-9.2 |
|
Fluoride (Calculated as F) ≤ |
0.05 |
0.05 |
Uses:
Mainly used as fireproofing agent for fabric, wood and paper, boiler soft water agent, fuel additive, food additive, acidity buffer, glazing agent, solder, baking agent, conversion leather and pyrophosphate manufacture.
Package/Capacity of container/Storage:
Packing:in net weight of each bag is 25kg,50kg,1000kg bag within plastic.
Store in ventilated dry place.