Ethylene glycol CAS #107-21-1
| Ethylene glycol Chemical Properties |
| Melting point | -13 °C (lit.) |
| Boiling point | 195-198 °C |
| density | 1.113 g/mL at 25 °C (lit.) |
| vapor density | 2.1 (vs air) |
| vapor pressure | 0.08 mm Hg ( 20 °C) |
| refractive index | n20/D 1.431(lit.) |
| Fp | 230 °F |
| storage temp. | 2-8°C |
| solubility | water: miscible |
| form | Viscous Liquid |
| pka | 14.22(at 25℃) |
| color | blue |
| Odor | Odorless |
| Relative polarity | 0.79 |
| PH | 6-7.5 (100g/l, H2O, 20℃) |
| explosive limit | 3.2%(V) |
| Water Solubility | miscible |
| FreezingPoint | -11.5℃ |
| Sensitive | Hygroscopic |
| λmax | λ: 260 nm Amax: ≤0.03 λ: 280 nm Amax: ≤0.01 |
| Merck | 14,3798 |
| BRN | 505945 |
| Exposure limits | Ceiling limit in air for vapor and mist 50 ppm (~125 mg/m3) (ACGIH); TWA 10 mg/m3 (particulates) (MSHA). |
| Dielectric constant | 37.0(20℃) |
| LogP | -1.36 at 25℃ |
| CAS DataBase Reference | 107-21-1(CAS DataBase Reference) |
| NIST Chemistry Reference | 1,2-Ethanediol(107-21-1) |
| EPA Substance Registry System | Ethylene glycol (107-21-1) |









