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Potassium pyrosulfate Structure

Potassium pyrosulfate

Chemical Properties

Melting point 325 °C
Density  2.28 g/mL at 25 °C (lit.)
storage temp.  no restrictions.
solubility  H2O: 0.1 M at 20 °C, clear, colorless
form  Solid
Specific Gravity 2.28
color  White
PH 0.8 (50g/l, H2O, 20℃)
Odor Odorless
PH Range 1 - 2 at 25.5 g/l at 25 °C
Water Solubility  MAY DECOMPOSE
Sensitive  Hygroscopic
Merck  14,7664
Stability Stable. Incompatible with strong acids, strong bases.
CAS DataBase Reference 7790-62-7(CAS DataBase Reference)
EPA Substance Registry System Disulfuric acid, dipotassium salt (7790-62-7)

Safety Information

Hazard Codes  C
Risk Statements  34
Safety Statements  26-36/37/39-45
RIDADR  UN 3260 8/PG 2
WGK Germany  3
HS Code  2833 29 80
HazardClass  8
PackingGroup  II

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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