7810. Propargyl Chloride

Nomenclature

CAS number: 624-65-7
3-Chloro-1-propyne.
C3H3Cl; mol wt 74.51.
C 48.36%, H 4.06%, Cl 47.58%.

Description and references

Prepd by treating propargyl alcohol with phosphorus trichloride: Henry, Ber. 7, 761 (1874); 8, 398 (1875); Kirsmann, Bull. Soc. Chim. Fr. [4] 39, 698 (1926).

Chemical structure

Properties

Liquid. d425 1.0306. mp -78°. bp760 57°. Flash pt <60°F. Practically insol in water, glycerol. Miscible with benzene, carbon tetrachloride, ethanol, ethylene glycol, ether, ethyl acetate. Reacts with hydroxy compds to form ethers; with sulfides, ammonia, amines or metal hypoiodites to give the corresp propargyl compds; with aldehydes and ketones to give β-acetylenic alcohols. Undergoes isomerization.

Use

Intermediate in organic synthesis.