Disodium Phosphate(DSP)

Chemical formula: Na₂HPO₄·12H₂O
Molecular weight: 358.14
CAS NO.: 7558-79-4
Ref. Standard: HG/T2965-1997(Industrial grade); HG2920-2000(Food grade)
production capacity:5000 t/a
Properties: White or colorless crystal, efflorescent in air, easily soluble in water, but insoluble in alcohol, its water solution is slightly alkaline, relative density is 1.63, melting point is 34.6℃
Technical Specifications:

 

No.	Index	Industrial Grade	Food grade
1	Main content  %≥	98.0	98.0
2	P2O5   %≥	19.2	19.4
3	pH of 1% water solution	8.8-9.2	9.0-9.4
4	Chloride, as Cl % ≤	0.05	0.014
5	Sulfate, as SO4  % ≤	0.7	0.25
6	Heavy metal, as Pb % ≤	-	0.001
7	Arsenic, as As % ≤	0.005	0.0003
8	Fluoride, as F % ≤	0.05	0.002
9	Water insoluble % ≤	0.10	0.05

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, and etc.
Packaging: packed in plastic woven bag with PE lining, 25kgs/bag. Stored in ventilated and dry place

Shifang Tianrui Chemical Co.,Ltd is an integrated chemical enterprise specializing in the production,sales and serivce of phosphates, which is located in Shifang city of Sichuan province, where is the famous production base of phosphrus chemicals in China.

We have the abundant technical power, advanced detect equipments,and very moral employees, and always adhere to the operation principle that is "Cooperate based on the honesty, Develop based on the hight quality" in order to expand business, and develop enterprise. We have self-support rights to import and export, and 80% of our products are mainly for export. And rely on a convenient combination of rail, truck and river transportation, the goods can be timely and efficiently delivered to all parts of China, and to Tianjin port, Shanghai port, Guangzhou port and other major ports.

We look forward to estatblishing sincere cooperation and seek common developments with new and old customers at home and abroad based on our highest quality products and warm-thoughtful services!