# litmus

> water-soluble mixture of different dyes extracted from lichens.

**Wikidata**: [Q185082](https://www.wikidata.org/wiki/Q185082)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Litmus)  
**Source**: https://4ort.xyz/entity/litmus


## References

1. Litmus. ECHA Substance Infocard database
2. Freebase Data Dumps. 2013
3. Quora
4. GF WordNet
5. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)