A table of dielectric constants
(relative permittivity) and
refractive index.
The → RefractiveIndex.INFO Website
contains lots of detailed data and covers inorganics much better than this site.
| Name | Formula | Dielectric constant (εrel) | nD |
|---|---|---|---|
| trichloroacetaldehyde | C2HCl3O | 4.94 | 1.4570 |
| trichloroacetic anhydride | C4Cl6O3 | 5.00 | 1.4840 |
| trichloroethanenitrile | C2Cl3N | 7.74 | 1.4400 |
| trichloroethene | C2HCl3 | 3.40 | 1.4750 |
| trichlorofluoromethane | CCl3F | 2.38 | 1.3830 |
| trichloromethane | CHCl3 | 4.81 | 1.4458 |
| trichloronitromethane | CCl3NO2 | 7.32 | 1.4608 |
| tricyclo[5.2.1.02,6]deca-3,8-diene | C10H12 | 2.49 | 1.5110 |
| triethoxymethylsilane | C7H18O3Si | 3.85 | 1.3830 |
| triethyl (E)-1-propene-1,2,3-tricarboxylate | C12H18O6 | 6.40 | 1.4519 |
| triethyl phosphate | C6H15O4P | 13.01 | 1.4053 |
| triethylamine | C6H15N | 3.20 | 1.4010 |
| trifluoroacetic acid | C2HF3O2 | 8.55 | 1.2850 |
| trifluoromethylbenzene | C7H5F3 | 9.40 | 1.4150 |
| trimethyl borate | C3H9BO3 | 8.00 | 1.3610 |
| trimethyl phosphate | C3H9O4P | 21.26 | 1.3950 |
| trimethylamine | C3H9N | 2.44 | 1.3635 |
| triphenylmethane | C19H16 | 2.45 | 1.5788 |
| tripropyl phosphate | C9H21O4P | 10.93 | 1.4170 |
| tripropylamine | C9H21N | 2.38 | 1.4171 |
| undecane | C11H24 | 2.01 | 1.4170 |
| undecanenitrile | C11H21N | 10.86 | 1.4330 |
| undecanol | C11H24O | 5.98 | 1.4392 |
| vinyl acetate | C4H6O2 | 2.30 | 1.3960 |
| water | H2O | 80.10 | 1.3330 |