Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Reference substances

Reference substances

Currently viewing:
IUPAC name:
pentasodium bis(phosphonatooxy)phosphinate

Inventory

EC number:
231-838-7
EC name:
Pentasodium triphosphate
CAS number:
7758-29-4
CAS number:
7758-29-4
Synonyms
Names:
Triphosphoric acid (CAS No. 13573-18-7, EC No. 237-004-9); pentasodium triphosphate hexahydrate (CAS No. 15091-98-2)
Triphosphoric acid, pentasodium salt
Triphosphoric acid, pentasodium salt.
Identifier:
IUPAC name
Pentasodium triphosphate
Identifier:
IUPAC name
Sodium Tripolyphosphate
Identifier:
IUPAC name
pentasodium bis(phosphonatooxy)phosphinate
Identifier:
other: SMILES notation
[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P(=O)(OP(=O)([O-])[O-])OP(=O)([O-])[O-]
Identifier:
other: InChl
1/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5
Identifier:
other: InChl
InChI=1S/5Na.H5O10P3/c;;;;;1-11(2,3)9-13(7,8)10-12(4,5)6/h;;;;;(H,7,8)(H2,1,2,3)(H2,4,5,6)/q5*+1;/p-5
Identifier:
other: Molecular formula
Na5P3O10
Identifier:
other: Molecular formula
Na5P3O10 H5-xP3O10Nax (where x is approximately 5) 6H2O.Na5P3O10
Identifier:
other: SMILES notation
[Na+].[O-]P(=O)(OP(=O)([O-])[O-])OP(=O)([O-])[O-].[Na+].[Na+].[Na+].[Na+]
pentasodium triphosphate

Molecular and structural information

Molecular formula:
H5O10P3.5Na
Molecular weight:
399.865
SMILES notation:
[Na+].[Na+].[Na+].[Na+].[Na+].[O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-].[O-]P(=O)([O-])[O-]
InChl:
InChI=1/5Na.3H3O4P/c;;;;;3*1-5(2,3)4/h;;;;;3*(H3,1,2,3,4)/q5*+1;;;/p-9
Structural formula:
Chemical structure

Related substances