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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Dissociation constant

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Administrative data

Link to relevant study record(s)

Description of key information

No studies are available

Key value for chemical safety assessment

Additional information

No experimental testing was considered possible according to Method 112 of the OECD Guidelines for Testing of Chemicals, 12 May 1981, for the following reasons:


1). The test material has been determined to be moderately soluble in water. Therefore, determination of the dissociation constant(s) using a potentiometric titration, spectrophotometric and/or conductivity method would not be feasible.


2). The test material contains no significant chromophoric group(s) and thus, will absorb very little in the ultra-violet/ visible region of the spectrum. Therefore, determination of the dissociation constant(s) using a spectrophotometric method would not be practical.