Title: Coumaran
CAS Registry Number: 496-16-2
CAS Name: 2,3-Dihydrobenzofuran
Synonyms: cumaran; dihydrocoumarone
Molecular Formula: C8H8O
Molecular Weight: 120.15
Percent Composition: C 79.97%, H 6.71%, O 13.32%
Literature References: Synthesis: Bennett, Mahmoud Hafez,
J. Chem. Soc. 1941, 287;
cf. Hurd, Hoffmann,
J. Org. Chem. 5, 212 (1940); Rindfusz,
J. Am. Chem. Soc. 41, 669 (1919); J. M. Bakke, H. M. Roholdt,
Acta Chem. Scand. B34, 73 (1980).
Properties: Oily liq, bp 188-189°, bp13 74-75°. d425 1.058,
nD20 1.5426. Sol in alcohol, ether, chloroform, carbon disulfide.
Boiling point: bp 188-189°; bp13 74-75°
Index of refraction: nD20 1.5426
Density: d425 1.058