Molecular Weight: 322.27 (or 323.28, depending on sources)
EINECS Number: 685-629-4
Physical Properties
Appearance: White powder or off-white loose blocks, odorless, bitter taste, highly hygroscopic.
Melting Point: 140-147°C (varying slightly depending on sources)
Boiling Point: 707.1°C at 760 mmHg (or 77°C under different conditions)
Density: 1.92 g/cm³
Flash Point: >110°C (230°F) or 381.4°C (varying depending on sources)
Solubility: Soluble in water at 50 mg/mL, clear and colorless. Also soluble in methanol.
Chemical Properties
Tazobactam Sodium is a β-lactamase inhibitor antibiotic with irreversible competitive inhibition characteristics.
It inhibits penicillinase produced by Staphylococcus aureus, plasmid-mediated β-lactamases produced by Gram-negative bacilli, and chromosomal β-lactamases produced by Proteus, Bacteroides, and Klebsiella species.
