- A crystalline derivative of salicylic acid, used as an antiseptic and antirheumatic.
- 1897, David Cerna, Notes on the Newer Remedies, page 178:
- The therapeutic action of alphol is said to be similar to that of salol. Pancreatic and the intestinal juices decompose alphol into salicylic acid and alpha-naphthol. The new remedy is recommended as antiseptic, antineuralgic, and antirheumatic.