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Potassium dithionate

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Identification
Molecular formula
K2S2O6
CAS number
13455-23-9
IUPAC name
potassium dithionate
State
State

At room temperature, potassium dithionate is solid. It is stable under normal conditions and generally retains its ionic crystalline structure at ambient environmental conditions.

Melting point (Celsius)
355.00
Melting point (Kelvin)
628.00
Boiling point (Celsius)
535.00
Boiling point (Kelvin)
808.00
General information
Molecular weight
254.32g/mol
Molar mass
254.3210g/mol
Density
3.2270g/cm3
Appearence

Potassium dithionate appears as a white crystalline solid. The crystals are typically odorless and can form in various shapes, usually as deliquescent granules or powder.

Comment on solubility

Solubility of Potassium Dithionate

Potassium dithionate, with the chemical formula K2 S2 O6, exhibits interesting solubility characteristics. This compound is known to be:

  • Soluble in water: Potassium dithionate readily dissolves in water, making it useful for various applications in aqueous solutions.
  • Non-toxic: Its soluble nature, combined with low toxicity, allows safe handling and usage in laboratory and industrial settings.
  • Moderately soluble: While it dissolves well, the solubility can be limited by factors such as temperature and the presence of other ions.

In terms of practical implications, potassium dithionate's solubility means it can be effectively employed in redox reactions and analytical chemistry. As noted in various studies, it is often used as a reductant or in the preparation of other chemical compounds due to its reactivity in solution.

Overall, the robust solubility of potassium dithionate highlights its versatility in both research and industrial applications.

Interesting facts

Interesting Facts About Potassium Dithionate

Potassium dithionate is a fascinating chemical compound that has piqued the interest of chemists and students alike. Known for its intriguing properties and applications, it stands out among dithionates due to several notable aspects:

  • Formation: Potassium dithionate is formed when dithionous acid reacts with potassium hydroxide. This reaction not only underscores its acidic and basic nature but also highlights the interplay between different types of chemical species.
  • Oxidizing Agent: It functions as a mild oxidizing agent, which makes it useful in various chemical reactions, particularly in redox chemistry. Here, it is vital to note that it can oxidize some metal ions.
  • Industrial Uses: This compound finds applications in processes such as bleaching and in analytic chemistry where its oxidizing properties can come into play.
  • Research Applications: In laboratories, potassium dithionate is often used as a reagent in syntheses and compound identifications, demonstrating its versatility. Its chemical stability allows for extended studies without rapid degradation.

Quirky Properties

Interestingly, compounds like potassium dithionate have been known to exhibit peculiar behaviors that capture the curiosity of many. The specific interactions it has with other chemical species can lead to unexpected results and are often a topic of ongoing research.

As stated in science literature, "the study of such oxidizing agents opens a gateway to understanding fundamental principles of chemistry and their applications." This emphasizes the significance of compounds like potassium dithionate not just in industrial applications, but also in advancing the field of chemistry.

In summary, potassium dithionate is much more than just a chemical formula; it represents a blend of unique properties and practical applications that continue to challenge and inspire researchers and students alike.

Synonyms
POTASSIUM METABISULFITE
16731-55-8
Potassium disulfite
Dipotassium pyrosulfite
Dipotassium disulfite
Sobisu
Dipotassium metabisulfite
potassium metabisulphite
Potassium disulfite (K2S2O5)
Potassium pentaoxodisulfate
Pyrosulfurous acid, dipotassium salt
Ins-224
Potassium metabisulfite (e 224)
65OE787Q7W
DTXSID1021293
E-224
DTXCID401293
240-795-3
Potassium pyrosulfite
Potassium metabisulfite [NF]
MFCD00167605
Potassium metabisulfite (NF)
Dipotassium disulphite
CCRIS 1427
HSDB 5062
EINECS 240-795-3
Kaliumpyrosulfit
UNII-65OE787Q7W
potassium meta-bisulfite
EC 240-795-3
SCHEMBL29531
Potassium disulfite, >=98%
K2O5S2
CHEMBL2106901
Potassium disulfite, AR, >=97%
Potassium disulfite, LR, >=95%
POTASSIUM METABISULFITE [II]
POTASSIUM METABISULFITE [MI]
POTASSIUM METABISULFITE [FCC]
POTASSIUM METABISULFITE [HSDB]
AKOS015912829
POTASSIUM METABISULFITE [MART.]
POTASSIUM METABISULFITE [VANDF]
Potassium disulfite, analytical standard
POTASSIUM METABISULFITE [WHO-DD]
DB-231696
Potassium disulfite, USP, 51.8-57.6%
NS00013994
P2480
POTASSIUM METABISULFITE [EP IMPURITY]
POTASSIUM METABISULFITE [EP MONOGRAPH]
D05581
Potassium disulfite, BioUltra, >=97.0% (RT)
Q417881
Potassium disulfite, Vetec(TM) reagent grade, 98%
Potassium disulfite, puriss. p.a., >=96% (iodometric), powder
Sulfite, potassium metabi-dipotassium oxidosulfanesulfonate oxide
Potassium disulfite, puriss., meets analytical specification of Ph.Eur., BP, NF, FCC, E224, 95.0-101.0% (iodometric), powder, 51.8-57.6% sulfur dioxide