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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Physical & Chemical properties

Partition coefficient

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Reference
Endpoint:
partition coefficient
Data waiving:
other justification
Justification for data waiving:
other:
Justification for type of information:
The n-octanol/water partition coefficient Kow is defined as the ratio or the equilibrium concentrations of a dissolved substance in a 2-phase system consisting of the largely immiscible solvents n-octanol and water. If the test cannot be performed (e.g. the test substance does not dissolve in water or octanol), a calculated value for log Kow as well as details of the calculation method shall be provided. 1,3,5-Triazine-2,4,6-triamine, deammoniated is insoluble in water and n-octanol. Therefore testing cannot be performed. In addition, the prediction of the log Kow for 1,3,5-Triazine-2,4,6-triamine, deammoniated by software programs (SPARC, EPISUITE) is unfeasible due to the non well defined structure of the polymeric substance.

Description of key information

The n-octanol/water partition coefficient Kow is defined as the ratio or the equilibrium concentrations of a dissolved substance in a 2-phase system consisting of the largely immiscible solvents n-octanol and water. If the test cannot be performed (e.g. the test substance does not dissolve in water or octanol), a calculated value for log Kow as well as details of the calculation method shall be provided. 1,3,5-Triazine-2,4,6-triamine, deammoniated is insoluble in water and n-octanol. Therefore testing cannot be performed. In addition, the prediction of the log Kow for 1,3,5-Triazine-2,4,6-triamine, deammoniated by software programs (SPARC, EPISUITE) is unfeasible due to the non well defined structure of the polymeric substance.  

Key value for chemical safety assessment

Additional information