873-73-4 1-chloro-4-ethynylbenzene

product Name 1-chloro-4-ethynylbenzene Synonyms 4-Chlorophenylacetylene Molecular Formula C8H5Cl Molecular Weight 136.5783 InChI InChI=1/C8H5Cl/c1-2-7-3-5-8(9)6-4-7/h1,3-6H CAS Registry Number 873-73-4 Molecular Structure Density 1.15g/cm3 Melting point 43-47℃ Boiling point 178.5°C at 760 mmHg Refractive index 1.564 Flash point 57.3°C Vapour Pressur 1.33mmHg at 25°C Hazard Symbols  F:Flammable;  Xi:Irritant; Risk Codes R11:; R36/37/38:; Safety Description S16:; S26:; S37/39:;