How long is chemical and physical stability demonstrated after dilution for intravenous infusion of the AS Kalceks ceftriaxone sodium 2 g powder for solution for injection/infusion product?

After dilution for intravenous infusion, the AS Kalceks ceftriaxone sodium 2 g product is chemically and physically stable for 48 hours at 2–8°C or 12 hours at 25°C; microbiologically, use immediately, otherwise storage is the user's responsibility, normally ≤24 hours at 2–8°C unless diluted under controlled, validated aseptic conditions.