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Physical & Chemical properties

Dissociation constant

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Description of key information

pKa1= 9.23  (phenol group of Monoester)
pKa2= 9.5 (phenol groups of Diester)
pKa3= 14 (PEG 300)

Key value for chemical safety assessment

Additional information

The test substance is a mixture of 3 main components and have different water solubilities. The pKa values have been calculated on the representative components Monoester, Diester and PEG 300 using software programs ACD/Labs.