Potassium pyrosulfate - AR, ≥98% , CAS No.7790-62-7

CAS: 7790-62-7 Cat. No.: P112206 Formula: K₂S₂O₇ Molecular Weight: 254.32 EC Number: 232-216-8

GRADE & PURITY AR, ≥98%

Synonyms

Potassium disulfate | Disulfuric acid | sulfonato sulfate | dipotassium

Storage

Room temperature,Desiccated

Shipped In

Normal

Specifications

Synonyms

Potassium disulfate | Disulfuric acid | sulfonato sulfate | dipotassium

Specifications & Purity

AR, ≥98%

Storage

Room temperature,Desiccated

Shipped In

Normal

Grade

AR

Purity

≥98%

Names and Identifiers

Pubchem Sid

504753872

Pubchem Sid Url

https://pubchem.ncbi.nlm.nih.gov/substance/504753872

Canonical Smiles

[O-]S(=O)(=O)OS(=O)(=O)[O-].[K+].[K+]

IUPAC Name

dipotassium;sulfonato sulfate

InChIKey

KAQHZJVQFBJKCK-UHFFFAOYSA-L

INCHI

1S/2K.H2O7S2/c;;1-8(2,3)7-9(4,5)6/h;;(H,1,2,3)(H,4,5,6)/q2*+1;/p-2

Isomeric SMILES

[O-]S(=O)(=O)OS(=O)(=O)[O-].[K+].[K+]

WGK Germany

3

UN Number

3260

Molecular Weight

254.32

Reaxy-Rn

14768590

Reaxys-RN_link_address

https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=14768590&ln=

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Alkali metal oxoanionic compounds
      • Subclass Alkali metal pyrosulfates

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Alkali metal oxoanionic compounds
• Subclass: Alkali metal pyrosulfates
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkali metal pyrosulfates
• Alternative Parents: Inorganic salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Alkali metal pyrosulfate - Inorganic oxide - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as alkali metal pyrosulfates. These are inorganic compounds in which the largest oxoanion is pyrosulfate, and in which the heaviest atom not in an oxoanion is an alkali metal.
• External Descriptors: Not available

Data sources

1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.

DOI: 10.1186/s13321-016-0174-y

Chemical and Physical Properties

• Solubility: Soluble in water (25.4 g/l) at 20 °C.
• Sensitivity: Moisture sensitive.
• Melt Point(°C): 325°C
• Molecular Weight: 254.330 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 0
• Exact Mass: 253.836 Da
• Monoisotopic Mass: 253.836 Da
• Topological Polar Surface Area: 140.000 Ų
• Heavy Atom Count: 11
• Formal Charge: 0
• Complexity: 194.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 0
• Undefined Atom Stereocenter Count: 0
• Defined Bond Stereocenter Count: 0
• Undefined Bond Stereocenter Count: 0
• The total count of all stereochemical bonds: 0
• Covalently-Bonded Unit Count: 3

XLogP3