Storage TempFollowing reconstitution with sterile or bacteriostatic water for injection, ampicillin sodium solutions for IM or direct IV injection should be used within 1 hr after reconstitution and should not be frozen.
Flash Point343.6±34.3 °C
Stability-
AppearanceAmpicillin trihydrate is an odorless white microcrystalline powder with a bitter taste. A 0.25% solution in water has a pH of 3.5 to 5.5. (NTP, 1992)