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.)
Flash point :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)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, P501
Precautionary statements:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P314 Get medical advice/attention if you feel unwell. P501 Dispose of contents/container to..…