Di-Sodium hydrogen Phosphate (DSP)
- Courier
- In detail
Di-Sodium hydrogenPhosphate (DSP)
Molecular formula: Na2HPO4.nH2O (n=0,12)
Molecular weight: 358.0
Standard executed: HG/T2965-2000(Industrial Grade)
HG2920-2000(Food Grade)
CAS Number: 7558-79-4(Anhydrous),10039-32-4(12H2O)
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℃
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.
Guaranteed Technical Specifications:
No. | Specifications | Na2HPO4
(Anhydrous) |
Na2HPO4 .12H2O (Duohydrate) | ||
Industrial Grade | Food
Grade |
Industrial Grade | Food
Grade |
||
1 | Main contents %≥ | 98.0 | 98.0 | 97.0 | 97.0 |
2 | Phosphorus pentoxide,as P2O5 | 49.0 | 49.0 | 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 %≤ | 0.10 | 0.10 | 0.10 | 0.10 |