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This Technical Report is intended to provide information and analyses in support of the development
of chemical nomenclature for the naming of “nano-objects”. “Nano-objects” have been defined in
ISO/TS 80004-1:2010 to mean “materials with one, two, or three external dimensions in the nanoscale”,
with the nanoscale defined as the “size range from approximately 1 nm to 100 nm”. Nano-objects are
further defined as nanoplates, nanofibres, and nanoparticles.

More specifically, the nano-objects that are the subject of this Technical Report are discrete chemical
entities rather than devices or mixtures (preparations). The nano-objects discussed in this Technical
Report are not intended to constitute an exhaustive list.

This Technical Report is intended to facilitate communications between developers and potential users
of nomenclature including academia, industry, government and non-governmental organizations.

This Technical Report presents an initial effort to support new work Item proposals to pursue chemical
nomenclature that is specifically tailored to nano-objects. It identifies categories of nano-objects which
could require distinct nomenclature models and discusses essential descriptors to support nanoobject
nomenclature conventions. A future consideration will be to decide whether to undertake the
development of a searchable information system capable of cataloguing a sizable library of names and
structural features. This Report also makes recommendations concerning collaboration with existing
chemical nomenclature organisations. Finally, this Technical Report considers how the development of
nomenclature models for nano-objects will keep pace with and incorporate new science and terminology.