Registration Dossier

Physical & Chemical properties

Water solubility

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Description of key information

Measured value:

<5 µg/L at 20°C and at pH 6.1

The estimated values of the representative isomers are as follows:

Structure A= 1.6 E-4 µg/L at 25°C

Structure B= 4.4 µg/L at 25°C

Key value for chemical safety assessment

Additional information

The measurement was carried out by column elution method according to OECD Guideline 105.

In addition, the substance is a UVCB thus the water solubility on representative isomers of the registered substance have been generated by calculation using recommended program WSKOW module of software EPI Suite.

With respect to the water solubility of the structure B, an isomer with CAS number 27177-41-9 has been reported a value of 11,3 µg/L in the publication of screening assessments which has released by Canadian goverment.

Further the water solubility of a homologue substance with CAS number 15721 -78 -5 (Di-octylphenyl, C8) has been reported a value of 52,3 µg/L at 28°C which is referred to ECHA disseminated dossier (DUSLO-Dossier, 2015).