Phenolphthalein is a laxative agent. It stimulates the intestinal mucosa and constricts smooth muscles. It also acts as an acid-base indicator. References: Every-Palmer S, Newton-Howes G, Clarke MJ. Pharmacological treatment for antipsychotic-related constipation. Cochrane Database Syst Rev. 2017 Jan 24;CD011128. doi: 10.1002/14651858.CD011128.pub2. Review. PubMed PMID: 28116777.

纯度：≥98%

CAS：77-09-8