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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

IUPAC name:
nonatitanium(4+) tetrasodium hydrate icosaoxidandiide


CAS number:
Tetrasodium enneatitanium icosaoxide hydrate

Molecular and structural information

Molecular formula:
Sodium form: Na4Ti9O20 × n H2O
Sodium/hydrogen form: 50 % Na4Ti9O20 × n H2O, 50 % Na2H2Ti9O20 × n H2O
Molecular weight:
>= 821 - <= 843
Structural formula:
Chemical structure

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