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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Inventory

EC number:
232-088-3
EC name:
Trisodium trimetaphosphate
CAS number:
7785-84-4
CAS number:
7785-84-4
Synonyms
Names:
Sodium trimetaphosphate
Identifier:
IUPAC name
trisodium 1,3,5,2,4,6-trioxatriphosphinane-2,4,6-triolate 2,4,6-trioxide
Identifier:
IUPAC name
trisodium 1,3,5,2,4,6-trioxatriphosphinane-2,4,6-triolate 2,4,6-trioxide
Identifier:
other: Molecular formula
H3O9P3.3Na
Identifier:
other: Molecular formula
H3O9P3Na3
Identifier:
other: SMILES notation
[O-]P1(=O)OP(=O)(OP(=O)(O1)[O-])[O-].[Na+].[Na+].[Na+]

Molecular and structural information

Molecular formula:
H3O9P3.3Na or O3P3.3Na
Molecular weight:
>= 306 - <= 309
SMILES notation:
[O-]P1(=O)OP(=O)(OP(=O)(O1)[O-])[O-].[Na+].[Na+].[Na+]
InChl:
InChI=1S/3Na.H3O9P3/c;;;1-10(2)7-11(3,4)9-12(5,6)8-10/h;;;(H,1,2)(H,3,4)(H,5,6)/q3*+1;/p-3
Structural formula:
Chemical structure

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