Sodium triphosphate

Na5O10P3CAS 7758-29-4367.86 g/mol

O−PO−OOPO−OOPO−O−ONa+Na+Na+Na+Na+
Phosphate

Properties

Molecular formula
Na5O10P3
Molar mass
367.86 g/mol
Exact mass
367.8193 Da
Density
2.52 g/mL
Melting point
622 °C
logP
-2.60Crippen estimate
Polar surface area
170.8 Ų
H-bond donors / acceptors
5 / 5
Rotatable bonds
4

Hazards

No GHS classification is on file for this compound. That is not evidence that it is harmless.

Identifiers

CAS number
7758-29-4
SMILES
[O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O.[Na+].[Na+].[Na+].[Na+].[Na+]
InChI

The InChI we hold for this record describes the parent acid and the metal separately rather than the salt above, so it is not shown here.

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

45 names · show all
  • Triphosphoric acid, sodium salt (1:5)
  • Triphosphoric acid, pentasodium salt
  • Pentasodium triphosphate
  • Sodium tripolyphosphate (Na5P3O10)
  • Sodium triphosphate (Na5P3O10)
  • Pentasodium tripolyphosphate
  • Armofos
  • Polygon
  • Pentasodium tripolyphosphate (Na5P3O10)
  • Pentasodium triphosphate (Na5P3O10)
  • Sodium phosphate (Na5P3O10)
  • Sodium tripolyphosphate
  • Thermphos
  • S 400
  • Thermphos L 50
  • Thermphos N
  • Thermphos SPR
  • STPP
  • Empiphos STP-D
  • Freez-gard FP 19
  • Sodium polyphosphate (Na5P3O10)
  • Rhodiaphos LV
  • STP
  • S 400 (Phosphate)
  • Thermphos NW
  • Rhodiaphos H 5
  • Rhodiaphos HPA 3.5
  • Nutriphos 0-88
  • Albriphos 50F
  • Rhodiaphos A 4010
  • Rhodiaphos A 70HG
  • Rhodiaphos C 90H
  • Rhodiaphos C 90S blue TX
  • Polypray H
  • L 2209
  • Tripolyphosphate soda
  • Thermphos L 500
  • Wandetto B
  • Polypray STPP
  • Sodium metaphosphate oxide (Na5(PO3)3O)
  • E 451i
  • STPP 20E
  • Phosphorus sodium oxide (P3Na5O10)
  • Na5P3O10
  • T 5633

Work with Sodium triphosphate

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

Elsewhere