Table 2.

Criteria, based on those of Gu and Jérôme (2013), used to judge solvent acceptability

1.	Available on the required scale with a secure long-term source of supply
2.	Technical performance (including solvency) no worse than the equivalent conventional solvent
3.	Stable during use and storage
4.	Low- or non-flammable
5.	Competitively priced
6.	Able to be recycled
7.	Purity appropriate to use
8.	Resource and energy efficient production (preferably life cycle assessed)
9.	Sourced from renewable intermediates and feedstocks
10.	Established acceptable toxicity and ecotoxicity profiles sufficient for regulatory purposes
11.	Fully biodegradable to innocuous products
12.	Meets standards and regulations for transportation