Magnesium Sulfate Injection, USP, 50% (25 grams/50 mL), For IM or IV Use, 50 mL, Single Dose Vial, Rx only, Preservative Free, APP Pharmaceuticals, LLC, Schaumburg, IL, 60173, NDC 63323-064-50
Presence of Particulate Matter: Glass particulate matter was observed in a retention sample during an annual review.
Nationwide
https://www.accessdata.fda.gov/scripts/ires/index.cfm?Product=D-920-2013