Potassium molybdate - AR, ≥98% , CAS No.13446-49-6

CAS: 13446-49-6 Cat. No.: P108323 Molecular Weight: 238.13 EC Number: 236-599-2

GRADE & PURITY AR, ≥98%

Synonyms

E74871 | Q4300385 | dipotassium;dioxido(dioxo)molybdenum | Potassium molybdenum oxide | Potassium molybdate | MFCD00011370 | Potassium molybdenum oxide, anhydrous | Potassiummolybdate

Storage

Desiccated,Room temperature

Shipped In

Normal

Specifications

Synonyms

E74871 | Q4300385 | dipotassium;dioxido(dioxo)molybdenum | Potassium molybdenum oxide | Potassium molybdate | MFCD00011370 | Potassium molybdenum oxide, anhydrous | Potassiummolybdate

Specifications & Purity

AR, ≥98%

Storage

Desiccated, Room temperature

Shipped In

Normal

Grade

AR

Purity

≥98%

Names and Identifiers

• Pubchem Sid: 504764005
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/504764005
• Canonical Smiles: [O-][Mo](=O)(=O)[O-].[K+].[K+]
• IUPAC Name: dipotassium;dioxido(dioxo)molybdenum
• InChIKey: NUYGZETUIUXJCO-UHFFFAOYSA-N
• INCHI: 1S/2K.Mo.4O/q2*+1;;;;2*-1
• Isomeric SMILES: [O-][Mo](=O)(=O)[O-].[K+].[K+]
• WGK Germany: 3
• RTECS: QA4930000
• Molecular Weight: 238.13
• Reaxy-Rn: 11329548
• Reaxys-RN_link_address: https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=11329548&ln=

Taxonomic Classification

Taxonomy Tree

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

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

• Sensitivity: Moisture Sensitive
• Boil Point(°C): 1400°C
• Melt Point(°C): 919°C
• Molecular Weight: 238.140 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 0
• Exact Mass: 239.812 Da
• Monoisotopic Mass: 239.812 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. Xiaoshan Zheng, Rito Yanagi, Zhenhua Pan, Chong Zhou, Tian Liu, Baoliang Chen, Kenji Katayama, Shu Hu, Chiheng Chu.  (2025)  Hydrogen peroxide photosynthesis from water and air using a scaled-up 1-m2 flow reactor.  Chem Catalysis,      [PMID:] [10.1016/j.checat.2024.101238]

2. Qiao Qu, Haiyan Zhang, Haipeng Ji.  (2024)  Non-equivalent Mn4+ doping in mixed-anion host of K3Na(MoO2F4)2·H2O achieving short fluorescence lifetime and intense zero phonon line.  Journal of Materials Chemistry C,      [PMID:] [10.1039/D4TC00218K]

3. Junbiao Peng, Weiheng Shu, Yuan Chen, Xiaoguo Ma.  (2025)  Facile synthesis of polyethyleneimine functionalized magnetic silicon nanocomposite for enhanced and rapid removal and recovery of hexavalent molybdenum ions.  Journal of Water Process Engineering,      [PMID:] [10.1016/j.jwpe.2025.108210]

4. Zheng Xiaoshan, Pan Zhenhua, Vequizo Junie Jhon M., Yanagi Rito, He Junsheng, Yamakata Akikra, Chen Baoliang, Chu Chiheng.  (2025)  Nanoscale reduction-site-selective oxygen regulation for promoting hydrogen peroxide production.  Nature Communications,      [PMID:41331291] [10.1038/s41467-025-66977-1]