# dianion

> divalent negative ion

**Wikidata**: [Q55524005](https://www.wikidata.org/wiki/Q55524005)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Dianion)  
**Source**: https://4ort.xyz/entity/dianion


## References

1. Glossary of Class Names of Organic Compounds and Reactive Intermediates Based on Structure (IUPAC Recommendations 1995)