Compounds having an unbranched chain of sulfur atoms (
S2 or higher) terminating in
H:
HSnH. Some chemists exclude disulfane,
HS2H, from the class polysulfanes.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1360 (https://doi.org/10.1351/pac199567081307)