688. Anthrarobin

Nomenclature

CAS number: 577-33-3
1,2,10-Anthracenetriol; 1,2,10-anthratriol; 3,4-dihydroxyanthranol; desoxyalizarin; leucoalizarin.
C14H10O3; mol wt 226.23.
C 74.33%, H 4.46%, O 21.22%.

Description and references

Prepd from alizarin, ammonia, and zinc dust: Hagers Handb. Pharm. Praxis Vol. 1, 466 (1930).

Chemical structure

Properties

Yellow-brown to dark brown crystals; easily oxidized to alizarin. mp 208°; not sublimable. Slightly sol in water or benzene; freely sol in alcohol, ether, acetone, glacial acetic acid. Dissolves in alkalies with greenish-yellow color; in concd H2SO4 with golden-yellow color.

Therapeutic Category

Parasiticide.