Dr. Charles C. Compton, 80, an entomologist and toxicologist who worked for the Shell Chemical Co. in Washington during the 1950s, died of a heart ailment Friday at Fairfax Hospital.

Dr. Compton came to Washington in 1952, as head of products development in the agriculture and chemical division of the Shell Chemical Co., a subsidiary of Shell Oil.

He later worked as manager of sales development and then as Washington representative for Shell Chemical, where he was involved in gaining clearance for new Shell pesticides by the government, before leaving Washington in 1963.

Dr. Compton then worked on the research staff of Rutgers University and directed national studies on insecticide clearances, before retiring to Vienna, Va., in 1977.

He was a native of Vermont. Dr. Compton earned a bachelor's degree at the University of Connecticut, and master's and then a doctoral degree in entomology at the University of Illinois.

He was the author of a number of technical papers on insecticide control and toxicology.

Dr. Compton was a member of the Cosmos Club.

He is survived by his wife, the former Gladys Ames, of the home; three sons, Charles A., of Vienna, Norman E., of Williamsburg, Va., and Norton W., of Utica, Mich.; a sister, Hazel Small, of Jackson, Mich., and eight grandchildren.