Abstract
1. Frogs injected with phenol excrete 67–95% of dose in 15h; 32–87% of dose are metabolites.
2. Metabolites identified were phenyl sulphate (15–44% of dose), phenyl glucuronide (10–25% of dose), catechol sulphate (up to 7% of dose), quinol sulphate (1–25% of dose), resorcinol and catechol (traces).