Description
Biochem/physiol Actions A β-lactam antibiotic with an amino group side chain attached to the penicillin structure. Penicillin derivative that inhibits bacterial cell-wall synthesis （peptidoglycan cross-linking） by inactivating transpeptidases on the inner surface of the bacterial cell membrane. Bactericidal only to growing Escherichia coli . Mode of resistance: Cleavage of β-lactam ring of ampicillin by β-lactamase. Antimicrobial spectrum: Gram-negative and Gram-positive bacteria. 

Properties
mp 198-200 °C （dec.）（lit.）
suitability meets USP testing specifications
storage temp. 2-8°C

Safety
Personal Protective Equipment dust mask type N95 （US）, Eyeshields, Faceshields, Gloves
Hazard Codes Xn
Risk Statements 36/37/38-42/43
Safety Statements 22-26-36/37
WGK Germany 2
RTECS XH8425000

References
Merck Merck 13,591
reference Corp MSDS 1 （1）, 247:B / RegBook 1 （2）, 2065:I / Sigma FT-IR 1 （1）, 619:C / Structure Index 1, 328:B:3

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