Package: packed in plastic woven bag with PE lining, 25kgs/bag

Uses : For food grade, it can be used as food additive,etc.For industrial grade, can be use as buffering reagent,etc

Molecular Structure:

Product description:

Chemical formula: K₄P₂O₇
Molecular weight: 330.34
CAS NO.: 7320-34-5
Ref. Standard: HG/T3591-1999
production capacity:3000 t/a
Properties: white powder. Relative density 2.3534 and melting point 1109°C; It is apt to absorb humidity in the open air to deliquescent; Soluble in water but insoluble in ethanol, and at 25°C, its solubility in water is 187g/100g water; It can chelate with alkaline metals ions or heavy metal ions.
Technical Specifications:

No.	Index	Industrial grade	Food grade
1	Main content ,as K4P2O7 %≥	95.0	96.0
2	Iron, as Fe   %≤	0.05	0.03
3	Water insoluble  %≤	0.2	0.1
4	pH of 1% water solution	10.0-10.7	10.0-10.7
5	Heavy metal, as Pb   %≤	-	0.001
6	Arsenic, as As  %≤	-	0.0003
7	Ortho Phosphate	Pass test	Pass test