DISODIUM PHOSPHATE (DSP)
Chemical Name | Disodium Phosphate Anhydrous |
Synonyms | Sodium Hydrogen Phosphate Anhydrous |
Molecular Formula | Na2HPO4 |
HS Code | 28352200 |
CAS NO. | 7758-79-4 |
Standard Executed | FCC/E339 |
Technical Specification
Name of index | Food Grade Standard |
Assay(As NaH2HPO4 after drying) ,≥% | 98.0 |
Arsenic, ≤% | 0.0003 |
Fluoride,≤% | 0.005 |
Lead,≤% | 0.0004 |
Insoluble Substances,≤% | 0.2 |
Loss on drying,Anhydrous≤% | 5.1 |
Properties
White or crystalline powder or as granules. Both forms are freely soluble in water and insoluble in alcohol. it`s relative density at 1.63, melting point at 34.6℃.
Application
It is used as fire-prevention agent for fabric, timber, and paper, also as water softening agent for boiler, food additive, buffering agent ,solder, tanning agent, etc.And it is a sodium salt of Phosphoric Acid, available as white crystaline powder. Disodium Phosphate Anhydrous is usually used in conjunction with Trisodium Phosphate in food and water treatment industry. It's mainly used as anti-caking additive in powdered food products
Packaging
It is packed with polyethylene bag as inner, and a composite paper bag as the outer layer. The net weight of each bag is 25kg.
Storage and Transport
It should be stored in a dry,ventilative and clean warehouse, kept away from water and moisture, futhermore, it shoud be stored separately from poisonous.
Its expiry date is 24 month.