Di Potassium Phosphate-Trihydrate - Industry Application Phosphat - China Yeyuan Chemical Raw Material Supplier - PVC - PV...

Di Potassium Phosphate-Trihydrate

Name: Di Potassium Phosphate-Trihydrate
Brand: China Yeyuan Chemical Raw Material Supplier - PVC - PVC Additives - Chemical Additives

Molecular formula: K2HPO4.3H2O

Molecular weight: 228.22

CAS Number : 16788-57-1

Other Name: Dipotassium Monophosphate;

National Standard: HG/T4510-2013

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Performance and Usage

White crystal, easily soluble in water,slightly soluble in alcohol.Strong absorption of moisture.When anhydrous product heated to 204℃.It will be dehydrated into tetra potassium pyrophosphate.

Used in medicine and ferment industry , animalcule , Bacteria culture medium , PH buffering agents.

Quality Specification

No	Specifications	National Standard	Standard
1	Main contents % ≥	97	97.5 Min
2	Phosphorus pentoxide % ≥	30.2	30.2 Min
3	Potassium oxide (K₂O) % ≥	40.0	40.2 Min
4	PH value (10g/L solution)	9.0-9.4	9.0-9.4
5	Moisture % ≤	/	0.5
6	Sulfates(SO₄) % ≤	/	0.01
7	Heavy metal, as Pb % ≤	0.005	0.005 Max
8	Arsenic, as As % ≤	0.01	0.01 Max
9	Fluoride as F % ≤	/	0.002 Max
10	Water insoluble % ≤	0.02	0.02 Max
11	Pb % ≤	/	0.002 Max
12	Fe % ≤	0.003	0.003 Max
13	Cl % ≤	0.05	0.05 Max