Registration Dossier

Administrative data

Endpoint:
dissociation constant
Data waiving:
other justification
Justification for data waiving:
other:
Justification for type of information:
JUSTIFICATION FOR DATA WAIVING

pH = 6.95 (American process zinc oxide); 7.37 (French process)
O'Neil, M.J. (ed.). The Merck Index - An Encyclopedia of Chemicals, Drugs, and Biologicals. Cambridge, UK: Royal Society of Chemistry, 2013., p. 1888
Source: HSDB
Record Name: ZINC OXIDE
URL: http://toxnet.nlm.nih.gov/cgi-bin/sis/search/r?dbs+hsdb:@term+@rn+@rel+1314-13-2

ZnO is pH neutral and does not contain any Hydrogen atom, dissociation constant is not relevant. Equilibrium of Zinc ion in water is illustrated by Pourbaix diagram on page 18 of the attached report (Outotec 2010 - 10043-ORC-T)

Data source

Materials and methods

Results and discussion

Applicant's summary and conclusion