# Orange I

> chemical compound

**Wikidata**: [Q5425275](https://www.wikidata.org/wiki/Q5425275)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Acid_orange_20)  
**Source**: https://4ort.xyz/entity/orange-i


## References

1. C.I. Acid Orange 20. PubChem
2. Sodium 4-[(2E)-2-(4-oxo-1(4H)-naphthalenylidene)hydrazino]benzenesulfonate. ChemSpider
3. ChEBI release 2019-10-02
4. C.I. ACID ORANGE 20. Hazardous Substances Data Bank. 2019
5. Sodium 4-[(4-hydroxy-1-naphthyl)azo]benzenesulphonate. ECHA Substance Infocard database
6. BabelNet