Sure! Here’s what I found about Manganese(II) sulfate (MnSO4), whether monohydrate or tetrahydrate, when it meets BP (British Pharmacopeia) or USP (United States Pharmacopeia) standards:
Approved Grades
Several chemical suppliers offer manganese(II) sulfate monohydrate labeled as meeting Ph. Eur., BP, USP, FCC specifications—which confirms its compliance with those pharmacopeias  .
Uses of BP/USP-Grade Manganese(II) Sulfate
1. In Pharmaceutical and Analytical Applications
• Commonly used as a trace element supplement in total parenteral nutrition (TPN) .
• Serves as a safe, inexpensive catalyst in organic synthesis (e.g., in synthesizing heterocyclic compounds) .
• Employed in analytical chemistry techniques and quality control settings .
2. Industrial & Agricultural Uses
Although beyond strict pharmacopeial use, the BP/