Answer
Unopened Trisenox (arsenic trioxide) 2 mg/ml concentrate for solution for infusion has a shelf life of 4 years.
Sources for this answer
- Trisenox (arsenic trioxide) 2mg/ml Concentrate for Solution for InfusionTeva Pharma B.V. · emc · SmPC §6.3 Shelf life · Version 4Document updated
Sources checked