Melting point :−57 °C(lit.)
Boiling point :48-60 °C(lit.)
Density :1.265 g/mL at 25 °C(lit.)
vapor pressure :5.32 psi ( 20 °C)
refractive index :n20/D 1.447(lit.)
Flash point :43 °F
solubility :Acetonitrile (Slightly), Chloroform (Soluble)
form :Colorless liquid
Odor :Ethereal, slightly acrid; pleasant, chloroform-like.
Merck :13,94
Dielectric constant :4.6（17℃）
Stability :Light Sensitive, Volatile
LogP :2.000
EPA Substance Registry System :1,2-Dichloroethylene (540-59-0)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H225 Highly Flammable liquid and vapour Flammable liquids Category 2 Danger P210,P233, P240, P241, P242, P243,P280, P303+ P361+P353, P370+P378,P403+P235, P501 H332 Harmful if inhaled Acute toxicity,inhalation Category 4 Warning P261, P271, P304+P340, P312 H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233 Keep container tightly closed. P240 Ground/bond container and receiving equipment. P241 Use explosion-proof electrical/ventilating/lighting/…/equipment. P273 Avoid release to the environment.