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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

The log Kow value for mixture of ortho-toluenesulfonamide  and para-toluenesulfonamide is 0.6. 

Key value for chemical safety assessment

Log Kow (Log Pow):
0.6
at the temperature of:
20 °C

Additional information

Read across from:

88-19-7, Partition coefficient, Vos, 2011, rs and 70-55-3, Partition coefficient, Vos, 2011, rs

Conclusions:

The measured log Kow value for ortho-toluenesulfonamide is 0.6.

The measured log Kow value for para-toluenesulfonamide is 0.6.

So a mixture of ortho-toluenesulfonamide and para-toluenesulfonamide has a log Kow value of 0.6 too.

This is supported by one data from calculation, wich does not deal with the difference in para and ortho.