1. Chemical Name: Disodium Phosphate
2. Chemical formula: Na2HPO4
3. Molecular weight: 141.96
4. Properties: White powder or fine granular , efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density at 1.63, melting point at 34.6℃.
5. Quality standards:
|
Name of index |
Specifications FCC V |
|
Identification |
Pass test |
|
Assay, % |
98.0 min. |
|
Arsenic, % |
0.0003 max. |
|
Fluoride, % |
0.005 max. |
|
Insoluble substance, % |
0.2 max. |
|
Lead, % |
0.0002 max. |
|
Loss on ignition, % |
5.0 max. |
6. Applications :Used as a fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent ,solder, tanning agent, etc.
7. Packing : 25kgs net paper bags
8. Storage and transport: It should be stored in a ventilative and dry warehouse instead of in the open air, kept away from water, moisture and sunlight during transport, handled with care, so as to avoid damage to plastic bags. Furthermore, it should be stored separately from poisonous substances.