| Name | Formula | Dielectric constant
(εrel) | nD |
|---|
| 1,2-dibromopropane | C3H6Br2 | 4.30 | 1.5200 |
| 1,2-dichloro-1,1,2,3,3,3-hexafluoropropane | C3Cl2F6 | 2.38 | 1.3030 |
| 1,2-dichloro-1,2,3,3,4,4-hexafluorocyclobutane | C4Cl2F6 | 2.46 | 1.3330 |
| 1,2-dichlorobenzene | C6H4Cl2 | 7.50 | 1.5514 |
| 1,2-dichloroethane | C2H4Cl2 | 10.36 | 1.4438 |
| 1,2-dichloropropane | C3H6Cl2 | 8.93 | 1.4390 |
| 1,2-difluorobenzene | C6H4F2 | 14.26 | 1.4430 |
| 1,2-diiodobenzene | C6H4I2 | 5.70 | 1.7165 |
| 1,2-dimethoxy-4-propenylbenzene | C11H14O2 | 4.70 | 1.5690 |
| 1,2-dimethoxybenzene | C8H10O2 | 4.09 | 1.5320 |
| 1,2-dimethoxyethane | C4H10O2 | 7.20 | 1.3796 |
| 1,2-dimethylbenzene | C8H10 | 2.57 | 1.5054 |
| 1,2-dinitroxyethane | C2H4N2O6 | 28.30 | 1.4324 |
| 1,2-diphenylethane | C14H14 | 2.38 | 1.5704 |
| 1,2-propanediol | C3H8O2 | 32.00 | 1.4310 |
| 1,2-propanediol dinitrate | C3H6N2O6 | 26.80 | 1.4272 |
| 1,3,3-trimethyl-2-oxabicyclo[2.2.2]octane | C10H18O | 4.84 | 1.4580 |
| 1,3,5-trimethylbenzene | C9H12 | 2.40 | 1.4990 |
| 1,3-bis(trifluoromethyl)benzene | C8H4F6 | 5.98 | 1.3790 |
| 1,3-butanediol dinitrate | C4H8N2O6 | 18.90 | 1.4326 |
| 1,3-cyclohexadiene | C6H8 | 2.66 | 1.4730 |
| 1,3-dibromobenzene | C6H4Br2 | 5.00 | 1.6060 |
| 1,3-dichloro-2-propanol nitrate | C3H5Cl2NO3 | 13.30 | 1.4603 |
| 1,3-dichlorobenzene | C6H4Cl2 | 5.00 | 1.5460 |
| 1,3-dichloropropane | C3H6Cl2 | 9.51 | 1.4490 |