ChemicalBook Product Catalog Inorganic chemistry Inorganic salts Metal Sulphides and sulphates POTASSIUM TETRATHIONATE

POTASSIUM TETRATHIONATE

POTASSIUM TETRATHIONATE Basic information
Product Name:POTASSIUM TETRATHIONATE
Synonyms:Tetrathionicacid,dipotassiumsalt;POTASSIUM TETRATHIONATE;POTASSIUM TETRATHION;dipotassiumtetrathionate;Tetrathionic acid, potassium salt (1:2)
CAS:13932-13-3
MF:K2O6S4
MW:302.45
EINECS:237-702-3
Product Categories:Metal and Ceramic Science;Potassium Salts;Salts
Mol File:13932-13-3.mol
POTASSIUM TETRATHIONATE Structure
POTASSIUM TETRATHIONATE Chemical Properties
density 2.96 g/mL at 25 °C (lit.)
storage temp. 2-8°C
solubility 232g/l
EPA Substance Registry SystemPotassium tetrathionate (13932-13-3)
Safety Information
Hazard Codes Xi
Risk Statements 36/37/38
Safety Statements 26-36-37/39
WGK Germany 3
RTECS XF6450000
HS Code 2842 90 80
ToxicityLD50 orally in Rabbit: > 2000 mg/kg
MSDS Information
ProviderLanguage
SigmaAldrich English
POTASSIUM TETRATHIONATE Usage And Synthesis
UsesUsed in the preparation of tetrathionate hydrolase assay from Acidithiobacillus caldus, it acts as an energy source.
DefinitionChEBI: A potassium salt composed of potassium and tetrathionate ions in a 2:1 ratio.
PreparationPotassium tetrathionate is prepared by a similar reaction—the reaction of S2Cl2 with sulphurous acid, followed by KOH neutralization, as shown by the equations.
2H2S03 + S2C12->H2S406+2HCl
H2S406+2KOH -> K2S406 + 2H2O or by the reaction of iodine with K2S2O3.
2K2S203 + I2 -> K2S406+2KI.
The reaction is carried out in an ethanol-water mixture, a medium in which the potassium tetrathionate is insoluble; the K2S406 precipitates as colorless shiny platelets.



General DescriptionThe crystal structure of potassium tetrathionate is monoclinic with a=22.081o, b=7.991o, c=10.108o
POTASSIUM TETRATHIONATE Preparation Products And Raw materials
Hydrogen Sulfide POTASSIUM HEXAFLUOROARSENATE Sodium pyrosulfate SODIUM TETRATHIONATE DIHYDRATE Sulfur tetrafluoride Potassium polyacrylate Potassium metaphosphate POTASSIUM HEXAFLUOROANTIMONATE Potassium pyrosulfate Potassium peroxymonosulfate Digold trioxide Sulfur trioxide Potassium Phosphate Monobasic Sulfurous Acid Potassium persulfate POTASSIUM TETRATHIONATE, K2S4O6 POTASSIUM TETRATHIONATE Potassium sulfate
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