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Potassium thiosulfate Structure

Potassium thiosulfate

Chemical Properties

Density  1.484 g/mL at 25 °C
solubility  insoluble in ethanol
form  colorless hygroscopic crystals
color  colorless hygroscopic crystals, crystalline
Water Solubility  g/100g H2O: 96.1 (0°C), 165.0 (25°C), 312.0 (90°C); solid phase, K2S2O3 · 2H2O (0°C), 3K2S2O3 ·5H2O (25°C), K2S2O3(90°C) [KRU93]; insoluble alcohol [MER06]
Merck  13,7777
Stability Stable. Incompatible with strong acids, strong oxidizing agents.
CAS DataBase Reference 10294-66-3(CAS DataBase Reference)
EPA Substance Registry System Thiosulfuric acid (H2S2O3), dipotassium salt (10294-66-3)

Safety Information

Hazard Codes  Xi
Risk Statements  36/38
Safety Statements  26-36
WGK Germany  3

Usage And Synthesis

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