Magnesium Sulfate Inj., USP 50%, 10 g/20 mL (0.5 g/mL), (4 mEq Magnesium/mL, 20 mL Single-dose vial, packaged in 25 vials per box, Rx Only, Hospira, Inc., Lake Forest, IL 60045, NDC 0409-2168-02, barcode (01) 2 030409 216802 5.
Failed pH Specifications: Confirmed high out of specification (OOS) results for pH.
Nationwide, Puerto Rico, United Arab Emirates, Israel, Kuwait, Bahrain, and Trinidad & Tobago
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-0854-2016