Title: Benzanthrone
CAS Registry Number: 82-05-3
CAS Name: 7H-Benz[de]anthracen-7-one
Molecular Formula: C17H10O
Molecular Weight: 230.26
Percent Composition: C 88.67%, H 4.38%, O 6.95%
Literature References: Prepd by heating a reduction product of anthraquinone with sulfuric acid and glycerol: Macleod, Allen, Org. Synth. 14, 4 (1934); cf. US 1626392 (1927). Review of toxicology: G. B. Singh et al., J. Sci. Ind. Res. 49, 288-296 (1990).
Properties: Pale yellow needles from alcohol or xylene. mp 170°. Absorption spectrum: Clar, Ber. 65, 846 (1932). Solubility at 20° = 0.52 g in 100 g glacial acetic acid; 1.61 g in 100 g benzene; 2.05 g in 100 g chlorobenzene. Solution in H2SO4 is orange with green fluorescence. LD50 in albino rabbits: >3 g/kg dermally; LD50 in rats, mice (g/kg): 1.5, 0.29 i.p. (Singh).
Melting point: mp 170°
Toxicity data: LD50 in albino rabbits: >3 g/kg dermally; LD50 in rats, mice (g/kg): 1.5, 0.29 i.p. (Singh)
Use: Manufacture of dyes. |