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℃
Thermal Conductivity :0.256 W/(m·K) at 25 ℃
Specific Heat Capacity :Cp(liquid): 2.39 J/(g·K); Cp(gas): 1.33 J/(g·K), at 25℃
Sensitive :Hygroscopic
λmax :λ: 260 nm Amax: ≤0.03
λ: 280 nm Amax: ≤0.01 Merck :14,3798
BRN :505945
Henry's Law Constant :6.5×10³ mol/(m³Pa) at 25℃, Burkholder et al. (2019)
Exposure limits :EU LTEL:20 ppm(52 mg/m3); EU STEL:40 ppm(104 mg/m3)
Dielectric constant :37.0（20℃）
Cosmetics Ingredients Functions :HUMECTANT
SOLVENT
VISCOSITY CONTROLLING Cosmetic Ingredient Review (CIR) :Ethylene glycol (107-21-1)
InChI :1S/C2H6O2/c3-1-2-4/h3-4H,1-2H2
InChIKey :LYCAIKOWRPUZTN-UHFFFAOYSA-N
SMILES :OCCO
LogP :-1.36 at 25℃
Surface tension :47.7mN/m at 20°C
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..…