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. Author manuscript; available in PMC: 2015 Feb 3.
Published in final edited form as: Environ Sci Technol. 2010 Mar 15;44(6):1933–1939. doi: 10.1021/es902648t

TABLE 2.

Solvent Dielectric Constants and pKas

solvent dielectric constant pKa
TOL 2.4 40
TBB 2.3 >43a
MEA 33 16
IPA 18 19
DCM 9.9 ~56b
a

From comparison with benzene (pKa = 43).

b

From comparison with methane (pKa = 56).