Potassium Metaphosphate - ≥99% , CAS No.7790-53-6

CAS: 7790-53-6 Cat. No.: P195044 EC Number: 232-212-6 PubChem CID: 16133895

GRADE & PURITY ≥99%

Synonyms

MFCD00049681 | POTASSIUM METAPHOSPHATE (II) | D05582 | DTXCID60820221 | potassium oxophosphinate | Q4291658 | FT-0690204 | Potassium metaphosphate | monopotassium metaphosphate | Potassium metaphosphate (kpo3) | P2906 | METAPHOSPHORIC ACID, POTASSIUM SALT

Storage

Argon charged,Room temperature

Shipped In

Normal

Specifications

Synonyms

MFCD00049681 | POTASSIUM METAPHOSPHATE (II) | D05582 | DTXCID60820221 | potassium oxophosphinate | Q4291658 | FT-0690204 | Potassium metaphosphate | monopotassium metaphosphate | Potassium metaphosphate (kpo3) | P2906 | METAPHOSPHORIC ACID, POTASSIUM SALT

Specifications & Purity

≥99%

Storage

Argon charged, Room temperature

Shipped In

Normal

Purity

≥99%

Names and Identifiers

• Pubchem Sid: 488199057
• Pubchem Sid Url: https://pubchem.ncbi.nlm.nih.gov/substance/488199057
• Canonical Smiles: [O-]P(=O)=O.[K+]
• InChIKey: OQZCJRJRGMMSGK-UHFFFAOYSA-M
• INCHI: 1S/K.HO3P/c;1-4(2)3/h;(H,1,2,3)/q+1;/p-1
• Isomeric SMILES: [O-]P(=O)=O.[K+]
• PubChem CID: 16133895

Taxonomic Classification

Taxonomy Tree

• Kingdom Inorganic compounds
  • Superclass Mixed metal/non-metal compounds
    • Class Alkali metal organides
      • Subclass Alkali metal oxides

• Kingdom: Inorganic compounds
• Superclass: Mixed metal/non-metal compounds
• Class: Alkali metal organides
• Subclass: Alkali metal oxides
• Intermediate Tree Nodes: Not available
• Direct Parent: Alkali metal oxides
• Alternative Parents: Inorganic salts Inorganic oxides
• Molecular Framework: Not available
• Substituents: Alkali metal oxide - Inorganic oxide - Inorganic salt
• Description: This compound belongs to the class of inorganic compounds known as alkali metal oxides. These are inorganic compounds containing an oxygen atom of an oxidation state of -2, in which the heaviest atom bonded to the oxygen 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
• Melt Point(°C): 810 °C
• Molecular Weight: 118.070 g/mol
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 117.922 Da
• Monoisotopic Mass: 117.922 Da
• Topological Polar Surface Area: 57.200 Ų
• Heavy Atom Count: 5
• Formal Charge: 0
• Complexity: 49.800
• 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: 2

XLogP3

References

1. Jinping Mu, Xiaohui Li, Rui He, Lijing Sun, Xue Bai, Lihui Zhang, Xi Zhang, Zhenfa Liu, Jing Gao, Aijia Wei.  (2024)  Effect of alkali-metal phosphate additives on the interphase structure of 5-V LiNi0.5Mn1.5O4-based lithium–ion batteries.  ACTA MATERIALIA,      [PMID:] [10.1016/j.actamat.2024.120252]

2. Zhiqiang Wang, Xinkuo Li, Chenduan Chen, Chao Ruan, Zengling Li, Renshuang Zhai, Ke Sun, Jianrong Qiu, Dezhi Tan.  (2025)  Humidity-Assisted High-Resolution Laser Patterning of Perovskite Nanocrystals on Glass Beyond the Diffraction Limit.  Laser & Photonics Reviews,      [PMID:] [10.1002/lpor.202402093]

3. Zhiqiang Wang, Chenduan Chen, Zengling Li, Ke Sun, Jianrong Qiu, Dezhi Tan.  (2025)  Photoinduced Ions Migration to Brighten Perovskite Nanowires on Glass.  Advanced Optical Materials,      [PMID:] [10.1002/adom.202501760]

4. Ziang Su, Xin Wang, Yan Sun, Ruilin Zheng, Lu Deng, Pengpeng Su, Xinyu Liu, Lili Hu, Shubin Chen.  (2026)  From structural evolution to property regulation: The role of fluorine in neodymium-doped phosphate glasses.  JOURNAL OF NON-CRYSTALLINE SOLIDS,      [PMID:] [10.1016/j.jnoncrysol.2026.124034]