| ??? ?????? | Disodium Phosphate dodecahydrate? (DSP) |
| CAS No. | 10039-32-4 |
| Grade | Tech./ Food |
| MSDS |
Chemical formula: Na2HPO4.12H2O
Standard executed: HG/T2965-2009 (TECH GRADE) ; GB25568-2010 (FOOD GRADE)
【Properties】
White crystalline, efflorescent in air, easily soluble in water, but insoluble in alcohol; its water solution is slightly alkaline, relative density at 1.52, melting point at 35℃。
【Application 】
In industry, it is used as water softening agent for boiler, metal chelating agent and suspension agent, for the preparation of other phosphate compounds, flame retardants, fire retardant coatings, etc. In food industry, as a food additive, has the functions of regulating acid-base balance of food, improving food stability, seasoning, etc.
【Packing and storage】
In 25KG, 50KG, 1000KG net bags, store at a cool, dry and well ventilated place.
【Technical Data 】
|
ITEMS |
TECH GRADE SPECIFICATION |
FOOD GRADE SPECIFICATION |
|
Assay Na2HPO4.12H2O % ≥ |
97.0 |
97.0
|
|
pH of 1% water solution % ≤ |
8.8-9.2 |
8.8-9.2 |
|
Sulfate, as SO4 % ≤ |
0.7 |
0.25 |
|
Heavy metal, as Pb % ≤ |
|
0.001 |
|
Arsenic, as As % ≤ |
|
0.0003 |
|
Fluoride, as F % ≤ |
|
0.005 |
|
Water Insoluble Matter % ≤ |
0.10 |
0.10 |
