Potassium tungstate - ≥99.5%, >60mesh , CAS No.7790-60-5

CAS: 7790-60-5 Cat. No.: P823832 Molecular Weight: 326.03 EC Number: 232-215-2

GRADE & PURITY ≥99.5%, >60mesh

Storage

Room temperature,Argon charged,Desiccated

Shipped In

Normal

Specifications

Specifications & Purity

≥99.5%, >60mesh

Storage

Room temperature, Argon charged, Desiccated

Shipped In

Normal

Purity

≥99.5%

Names and Identifiers

• Canonical Smiles: [O-][W](=O)(=O)[O-].[K+].[K+]
• IUPAC Name: dipotassium;dioxido(dioxo)tungsten
• InChIKey: AAQNGTNRWPXMPB-UHFFFAOYSA-N
• INCHI: 1S/2K.4O.W/q2*+1;;;2*-1
• Isomeric SMILES: [O-][W](=O)(=O)[O-].[K+].[K+]
• WGK Germany: 1
• Molecular Weight: 326.03
• Reaxy-Rn: 11343343
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11343343&ln=

Taxonomic Classification

Taxonomy Tree

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

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Alkali metal oxoanionic compounds
• Subclass: Alkali metal tungstates
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkali metal tungstates
• Alternative Parents: Miscellaneous tungstates Inorganic salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Tungstate - Alkali metal tungstate - Inorganic oxide - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as alkali metal tungstates. These are inorganic compounds in which the largest oxoanion is tungstate, 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.
• Sensitivity: Hygroscopic.
• Melt Point(°C): 921 °C
• Molecular Weight: 326.030 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 325.858 Da
• Monoisotopic Mass: 325.858 Da
• Topological Polar Surface Area: 80.300 Ų
• Heavy Atom Count: 7
• Formal Charge: 0
• Complexity: 62.200
• 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

References

1. Xinyu Wang, Jicong Zhang, Ke Li, Bolin An, Yanyi Wang, Chao Zhong.  (2022)  Photocatalyst-mineralized biofilms as living bio-abiotic interfaces for single enzyme to whole-cell photocatalytic applications.  Science Advances,  8  (18):   [PMID:35522739] [10.1126/sciadv.abm7665]

2. Xiaolin Wang, Ye Qiu, I-Ming Chou, Rongqing Zhang, Guanglai Li, Richen Zhong.  (2020)  Effects of pH and Salinity on the Hydrothermal Transport of Tungsten: Insights from In Situ Raman Spectroscopic Characterization of K2WO4-NaCl-HCl-CO2 Solutions at Temperatures up to 400°C.  GEOFLUIDS,      [PMID:] [10.1155/2020/2978984]

3. Xiaolin Wang, Ye Qiu, Jianjun Lu, I-Ming Chou, Wenlan Zhang, Guanglai Li, Wenxuan Hu, Zhen Li, Richen Zhong.  (2019)  In situ Raman spectroscopic investigation of the hydrothermal speciation of tungsten: Implications for the ore-forming process.  CHEMICAL GEOLOGY,      [PMID:] [10.1016/j.chemgeo.2019.119299]

4. Zhanwei Ma, Wenyan Wang, Ying Wu, Yiming He, Tinghua Wu.  (2014)  Oxidative Degradation of Chitosan to the Low Molecular Water-Soluble Chitosan over Peroxotungstate as Chemical Scissors.  PLoS One,  9  (6): (e100743).  [PMID:24971631] [10.1371/journal.pone.0100743]

5. Niu Niu, Ying Zhang, Dong Sun, Jialong Zhang, Chuqi Zhang, Xiumin Li, Weiliang Tian, Feng Gao.  (2026)  Synergistic single-atom catalysis enables ultrasensitive electrochemical detection of luteolin.  COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS,      [PMID:] [10.1016/j.colsurfa.2026.140208]