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Dissociation constant

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Description of key information

not applicable

Key value for chemical safety assessment

Additional information

According to REACH regulation (Annex XI, 1.), the study does not need to be conducted if the available data are sufficient for assessment. MDIPA-Esterquat C16-18 and C18 unsatd. is a salt with Methylsulfate and will dissociate completely in aqueous solution. There are no functional groups capable of acid-base-reactions at environmentally relevant pH.