Industry Application Phosphate
DSP-Disodium Phosphate(12H2O-Anhydrous)
Industry application
Disodium Phosphate(12H2O-Anhydrous),is used as a fire-preventio agent for fabric, timber, and paper, also as water softening agent for boiler,
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Product Detail
Disodium Phosphate(Anhydrous-12H2O)
Molecular formula: Na2HPO4/Na2HPO4.12H2O
Molecular weight: 141.96/358.14
CAS Number: 7558-79-4/10039-32-4
Other Name: Disodium Monohydrogen Phosphate
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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, melting point at 35℃
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Package
25 kgs bag,1000 kgs,1100 kgs, 1200 kgs jumbo bag,
Special mark could be Customized
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Specification
| No. |
Specification |
Standard |
Guaranteed Standard |
Standard |
Guaranteed Standard |
| Di Sodium Phosphate |
Anhydrous |
Dodecahydrate |
| 1 |
Assay %≥ |
97.0 |
99.0 |
97.0 |
99.0 |
| 2 |
Arsenic（As） %≤ |
0.005 |
0.005 |
0.005 |
0.005 |
| 3 |
Fluorine（F） %≤ |
0.05 |
0.001 |
0.05 |
0.001 |
| 4 |
Heavy Metal（Pb） %≤ |
0.001 |
0.001 |
0.001 |
0.001 |
| 5 |
Water Insoluble %≤ |
0.05 |
0.008 |
0.05 |
0.008 |
| 6 |
Sulfates(AsSO4 ), %≤ |
0.7 |
0.005 |
0.7 |
0.005 |
| 7 |
Iron（Fe ） %≤ |
0.05 |
0.003 |
0.05 |
0.003 |
| 8 |
Lead（Pb ） %≤ |
/ |
0.0004 |
/ |
0.0004 |
| 9 |
PH（10g/L Solution） |
9.0 0.2 |
9.0 0.2 |
| 10 |
Chlorides（Cl ), %≤ |
0.05 |
0.01 |
0.05 |
0.005 |
| 11 |
Loss on drying（Na2HPO4） |
/ |
5.0 |
/ |
61.0 |
