Melting point :294 °C (decomp)
Boiling point :79-80 °C
Density :0.7801
refractive index :n20/D 1.4480
Flash point :-5 °F
storage temp. :2-8°C
solubility :Chloroform, Ethyl Acetate
form :Liquid
Specific Gravity :0.797
color :Clear colorless to light yellow
Water Solubility :Slightly soluble in water.
InChI :InChI=1S/C5H6/c1-2-5-3-4-5/h1,5H,3-4H2
InChIKey :NPTDXPDGUHAFKC-UHFFFAOYSA-N
SMILES :C1(C#C)CC1
CAS DataBase Reference :6746-94-7(CAS DataBase Reference)
NIST Chemistry Reference :Cyclopropylacetylene(6746-94-7)

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 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H318 Causes serious eye damage Serious eye damage/eye irritation Category 1 Danger P280, P305+P351+P338, P310 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. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.