Topic summary
Hexasulfur
Hexasulfur is an inorganicchemical with the chemical formula S6. This allotrope of sulfur was first prepared by M. R. Engel in 1891 by treating thiosulfate with HCl. Hexasulfur is orange-red and forms a rhombohedral crystal. It is also called cyclo-S6, ρ-sulfur, ε-sulfur, Engel's sulfur, and Aten's sulfur.