Finally, there is an environmental reason to favour the HFE-7100 spray over the HFC-4310mee alternative. In terms of global warming potential, HFC-4310mee is five times more potent a greenhouse gas compared to HFE-7100, having 1660 times the global warming potential of carbon dioxide. Given global efforts to mitigate the impact of climate change, transitioning to carrier solvents with less global warming impact are a priority for the future. Given impending phasedowns of HCFC carrier solvents, coupled with a lower global warming potential relative to alternate solvents, these blended HFE-7100 iodine sprays offer a stopgap solution so that other, greener alternatives can be assessed and implemented.