Potassium pyrosulfate/Disulfuric acid dipotassium salt/Potassium anhydrosulfate
CAS No.： 7790-62-7
Item No.： R0947
Store at： RT
Item No.： R0947
Store at： RT
English Name: potassium pyrosulfate; Disulfuric acid dipotassium salt； Potassium anhydrosulfate
Other names: anhydrous potassium bisulfate; Anhydrous acid potassium sulfate
CAS No.: 7790-62-7
K2S2O7=254.32
grade: ar
Content: ≥ 98.0%
Clarity test: acceptable
Chloride: ≤ 0.001%
Water insoluble matter: ≤ 0.01%
Heavy metals (calculated by Pb): ≤ 0.0005%
Arsenic: ≤ 0.0003%
Iron: ≤ 0.001%
Physicochemical properties : colorless crystal or frit. Hygroscopic. It is easily soluble in water, and the aqueous solution is strongly acidic. The relative density is 2.28. The melting point is about 325 ℃.
Purpose: biochemical research. Acidic solvents for chemical analysis. Steel analysis is used as an inclusion agent for electrolytic metals.
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