The term chemical characteristics refers to the properties and behaviors associated with a particular substance or compound due to its molecular composition, structure, and interactions. Full definition
For the implementation on board of the high altitude aircraft they developed nine instruments measuring physical and chemical characteristics of dust particles and clouds. (uni-mainz.de)
The models also predict that climate change will affect the physical and chemical characteristics of the ocean. (scientificamerican.com)
Mirror - image versions of such proteins would have the identical chemical characteristics as the natural protein (enabling detailed biochemical studies), but will generally be non-toxic to natural organisms. (sciencedaily.com)