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Potassium pyrosulfate

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Identification
Molecular formula
K2S2O7
CAS number
7790-62-7
IUPAC name
dipotassium;sulfonatooxy sulfate
State
State

At room temperature, potassium pyrosulfate is a solid. It is deliquescent, meaning it can absorb moisture from the air, leading to a liquid solution if left exposed.

Melting point (Celsius)
325.00
Melting point (Kelvin)
598.15
Boiling point (Celsius)
0.00
Boiling point (Kelvin)
0.00
General information
Molecular weight
254.32g/mol
Molar mass
254.3180g/mol
Density
2.2800g/cm3
Appearence

Potassium pyrosulfate is typically a white crystalline solid. It is known to form solid glass-like structures and is hygroscopic, meaning it can absorb moisture from the environment.

Comment on solubility

Solubility of Dipotassium Sulfonatooxy Sulfate

Dipotassium sulfonatooxy sulfate, with the formula K2SO4·R, exhibits intriguing solubility characteristics that are influenced by its ionic nature and the presence of sulfate groups in its structure. Here are some key points about its solubility:

  • Highly Soluble: Dipotassium sulfonatooxy sulfate is known to be highly soluble in water due to its ionic composition, which allows ease of dissociation into potassium ions (K+) and sulfonatooxy sulfate anions.
  • Temperature Dependency: The solubility can increase with temperature, making it more effective in applications requiring higher temperatures.
  • pH Effects: The solubility may also be affected by the pH of the solution, as more acidic or basic conditions can influence ionization and interaction with water.
  • Compatibility: This compound shows compatibility with various solvents and is less soluble in organic solvents, which can limit its usability in those contexts.

As a general consideration, it is important to note that the solubility of dipotassium sulfonatooxy sulfate can be influenced by the presence of other ions in the solution. As a result:

  1. Common Ion Effect: The presence of common ions such as potassium can decrease its solubility according to Le Chatelier's principle.
  2. Complex Formation: It has the potential to form complexes with various metal ions, which can further alter solubility behavior.

In conclusion, dipotassium sulfonatooxy sulfate's solubility is a multifaceted topic that encompasses various chemical interactions, making it an essential compound for numerous applications, especially in aqueous environments.

Interesting facts

Interesting Facts about Dipotassium Sulfonatooxy Sulfate

Dipotassium sulfonatooxy sulfate is a fascinating compound that plays a significant role in various chemical processes. Here are some noteworthy aspects of this sulfonate compound:

  • Versatility in Applications: This compound is often utilized in industries ranging from detergents to pharmaceuticals, showcasing its versatility.
  • Surfactant Properties: As a sulfonate, it has excellent surfactant properties, making it effective in reducing surface tension and enhancing the cleaning efficacy of products.
  • Biodegradability: Many sulfonates, including dipotassium sulfonatooxy sulfate, are known for their environmental friendliness. They are often designed to break down quickly in nature, contributing to sustainable practices.
  • Ion Exchange: The presence of potassium ions allows for effective ion exchange processes. This feature can be particularly useful in analytical chemistry and industrial applications.
  • Stability: The compound's stability under various conditions makes it a reliable ingredient in formulations, ensuring performance consistency.

Research continues to explore the multifaceted roles of dipotassium sulfonatooxy sulfate in different fields. Its unique properties and functions make it a compound of interest for both industry professionals and academics alike. As noted in recent studies, "the potential applications of such sulfonates in innovative formulations are vast and continually evolving," highlighting the dynamic nature of this compound in modern chemistry.

Synonyms
POTASSIUM PERSULFATE
7727-21-1
Potassium peroxydisulfate
Anthion
Potassium peroxydisulphate
Dipotassium peroxydisulfate
Dipotassium persulfate
potassium persulphate
Caswell No. 700
Peroxydisulfuric acid, dipotassium salt
HSDB 2638
UNII-6B86K0MCZC
EINECS 231-781-8
6B86K0MCZC
UN1492
EPA Pesticide Chemical Code 063602
Potassium peroxydisulfate (K2(S2O8))
DTXSID4029690
DIPOTASSIUM PERSULPHATE
DTXCID809690
POTASSIUM PERSULFATE [MI]
DIPOTASSIUM PEROXYDISULPHATE
EC 231-781-8
POTASSIUM PERSULFATE [HSDB]
POTASSIUM PERSULFATE [VANDF]
NSC 326763
NSC-326763
Virkon S
POTASSIUM PEROXYDISULFATE [K2(S2O8)]
K2S2O8
PEROXYDISULFURIC ACID, (((HO)S(O)2)2O2), DIPOTASSIUM SALT
PEROXYDISULFURIC ACID, ([(HO)S(O)2]2O2), DIPOTASSIUM SALT
DIPOTASSIUM PEROXODISULFATE
POTASSIUM PERSULFATE [INCI]
231-781-8
potassium peroxydisulfate (k2s2o3)
Potassium peroxodisulfate
MFCD00011386
dipotassium;sulfonatooxy sulfate
Dipotassium peroxodisulphate
potasium persulfate
potassium persuifate
Peroxydisulfuric acid (((HO)S(O)2)2O2) , dipotassium salt
potassium monopersulphate
potassium peroxidisulfate
CHEMBL3186858
Tox21_200798
Peroxydisulfuric acid dipotassium salt
AKOS015950646
FP41087
Potassium persulfate, ACS Reagent Grade
NCGC00258352-01
BP-13445
CAS-7727-21-1
NS00081344
Potassium peroxydisulfate, low nitrogen, ACS
Potassium persulfate [UN1492] [Oxidizer]
dipotassium [(sulfonatoperoxy)sulfonyl]oxidanide
Potassium persulfate, Trace metals grade 99.99%
Q415226
Peroxydisulfuric acid (((HO)S(O)2)2O2), potassium salt (1:2)