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) |