# polythionic acid

> any oxyacid in which the –SO₃H groups are connected by an unbranched chain of sulfur atoms

**Wikidata**: [Q425358](https://www.wikidata.org/wiki/Q425358)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Polythionic_acid)  
**Source**: https://4ort.xyz/entity/polythionic-acid


## References

1. Freebase Data Dumps. 2013