Crystalline Solid Ampicillin in anhydrous form occurs ascrystals.

Density:

1.45

Boiling Point:

683.9℃ at 760 mmHg

Melting Point:

208℃

Flash Point:

367.4℃

Alpha:

D23 +287.9° (c = 1 in water)

Storage Temperature:

2-8°C

Refractive index:

1.6320 (estimate)

Solubility:

NH4OH 1 M: 50?mg/mL, clear, colorless

Stability:

Stable, but may be moisture sensitive. Incopmpatible with strong oxidizing agents.