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Triphosphono phosphate

Triphosphono phosphate is the simplest branched polyphosphoric acid. It is a hexaprotic acid. It is used to prepare phosphoric monoesters.

Last revised
Jul 23, 2026
Read time
≈ 1 min
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108 w
Citations
8
Source
Triphosphono phosphate
source ↗
Names
IUPAC name
Triphosphono phosphate1
Systematic IUPAC name
Triphosphono phosphate2
Other names
Isotetrapolyphosphoric acid; Branched tetrapolyphosphoric acid
Identifiers
3D model (JSmol)
ChemSpider
  • InChI=1S/H6O13P4/c1-14(2,3)11-17(10,12-15(4,5)6)13-16(7,8)9/h(H2,1,2,3)(H2,4,5,6)(H2,7,8,9)2
    Key: GAEXZRLVNIQLRF-UHFFFAOYSA-N2
  • InChI=1S/H6O13P4/c1-14(2,3)11-17(10,12-15(4,5)6)13-16(7,8)9/h(H2,1,2,3)(H2,4,5,6)(H2,7,8,9)1
    Key: GAEXZRLVNIQLRF-UHFFFAOYSA-N1
  • OP(=O)(O)OP(=O)(OP(=O)(O)O)OP(=O)(O)O
Properties
H6O13P4
Molar mass 337.930 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Triphosphono phosphate is the simplest branched polyphosphoric acid. It is a hexaprotic acid. It is used to prepare phosphoric monoesters.1

References

References

  1. CID 22081485 from PubChem
  2. "Triphosphono phosphate | H6O13P4 | ChemSpider". www.chemspider.com. Retrieved 31 December 2018.