Table 3.

Polarity and heat capacity of several glymes

Glyme	Dipole moment (D) at 25 °C	Dielectric Constant at 25 °C	Solvatochromic polarity23		Heat capacity at 25 °C (J mol−1 K−1)
			ET(30), kcal mol−1	$E_T^N$
Monoglyme	1.62,75 1.61,57 1.59,76 1.71 (in benzene)76	7.18,77 7.20,72 7.55,78	38.2	0.231	191.1479
Diglyme	1.91,75 1.92,57, 76 1.87,45 1.97 (in benzene)76	7.480	38.6	0.244	277.76,79 276.9,45 279.0581
Triglyme	2.16,57, 762.22 (in benzene)76	7.6252	38.9	0.253	367.78,79 367.3066
Tetraglyme	2.44,762.4555, 76	–	–	–	457.1079