CAS NO:7558-80-7
Alias: Primary sodium phosphate
Molecular formula: NaH2PO4·2H2O
Molecular weight: 156.01
Use:
Is used in boiler water treatment, electroplating, manufacturing raw materials of phosphate, sodium hexametaphosphate and polycondensation is also used in the manufacture of detergents, metal detergent, fuel additives and pigment precipitation agent, mica slice of bond.Acidity buffer, baking powder so on。
Specialty:
Colorless crystal or white crystalline powder.Odorless, salty, sour.Heat to 100 ℃ all lose crystal water, burning into sodium metaphosphate.Soluble in water, almost insoluble in ethanol, its aqueous solution is acidic.0.1 mol/L aqueous solution at 25 ℃ when the pH of 4.5.Relative density 1.915.Melting temperature 60 ℃.There is also a molecule of crystal water in the goods.
Specification:HG/T 2767-2009
Item |
Industrial Grade |
|
NaH4P2O4·2H2O |
NaH4P2O4 |
|
w/% ≥ Main contents(NaH4P2O4·2H2O) |
98.0 |
98.0 |
w/% ≥ Main contents (NaH4P2O4) |
||
w/% ≤ Water insoluble |
0.10 |
0.20 |
w/% ≤ Iron (Fe) |
0.05 |
0.05 |
w/% ≤ Arsenic (As) |
0.01 |
0.01 |
w/% ≤ Sulphate (as SO4) |
0.5 |
0.5 |
w/% ≤ Chloride (as CI) |
0.40 |
0.40 |
pH value (10g/L solution) |
4.2~4.6 |
4.2~4.6 |
w/% ≤ Fluoride |
0.05 |
0.05 |
w/% ≤ Loss of dryness |
— |
2.0
|
packaging:
Film bag packing,The net weight is 25 kilos per bag。
Contact: David Zhao
Phone: 15617899999
Tel: 0371-64110451
Email: tigeryc1986@126.com
Add: Group 4,Beiwan Village,Beishankou Town,Gongyi District,Zhengzhou City,Henan Province,China