Magnesium Sulfate Injection, USP, 50%, 20mL, Single dose Fliptop Vial, For IV or IM use, Rx only, Manufactured by Hospira, Inc. 4285 Wesleyan Blvd Rocky Mount, NC 27804 for Hospira, Inc. 275 N Field Drive, Lake Forest, IL 60045. NDC 0409-2168-02
Failed pH Specifications: 12 month stability testing
U.S. Nationwide, Kuwait, Bahrain and Israel.
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-1232-2015