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Ampicillin Trihydrate, MP Biomedicals™
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Quantity:
5 g
25 g
Description
Ampicillin trihydrate is a β-lactam antibiotic with an amino group side chain attached to the penicillin structure. It is a penicillin derivative that inhibits bacterial cell-wall synthesis (peptidoglycan cross-linking) by inactivating transpeptidases on the inner surface of the bacterial cell membrane.
- Inactivated by beta-lactamases; therefore, a beta-lactamase inhibitor should be considered when using ampicillin
- Antimicrobial spectrum: gram-negative and gram-positive bacteria.
- Against gram-positive bacteria, ampicillin has a similar mode of action as benzylpenicillin
- Against gram-negative bacteria, it has a similar mode of action as chloramphenicol and tetracyclines
- Bactericidal only to growing E. coli. Inhibits cell wall synthesis via cleavage of β-lactam ring of ampicillin by β-lactamase

Specifications
Specifications
Physical Form | Powder |
Melting Point | 198°C to 200°C (literature) |
Concentration | Working Concentration: 100mg/liter for both gram positive and gram negative bacteria. It is typically stable in media at 37°C for approximately 3 days. |
Quantity | 25 g |
Solubility Information | Soluble in 1M Ammonium Hydroxide (50mg/mL), dilute acids (50mg/mL 1M HCl) or bases; slightly soluble in water (10mg/mL); practically insoluble in alcohol, chloroform, ether and fixed oils. |
Formula Weight | 403.46 |
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Safety and Handling


Product Identifier
- Ampicillin Trihydrate
- Danger
- Serious eye damage/eye irritation Category 2
- Respiratory sensitiser Category 1
- Skin corrosion/irritation Category 2
- Skin sensitiser Category 1
- Specific target organ toxicity Category 3
- H315-Causes skin irritation.
- H317-May cause an allergic skin reaction.
- H319-Causes serious eye irritation.
- H334-May cause allergy or asthma symptoms or breathing difficulties if inhaled.
- H335-May cause respiratory irritation.
- P101-If medical advice is needed, have product container or label at hand.
- P102-Keep out of reach of children.
- P103-Read label before use.
- P261-Avoid breathing dust/fume/gas/mist/vapours/spray.
- P284-¢In case of inadequate ventilation! wear respiratory protection.
- P305+P351+P338-IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
- P321-Specific treatment (see on this label).
- P405-Store locked up.
- P501b-Dispose of contents/container in accordance with local/regional/national/international regulations.
- MIXTURE LIST-Contains : Ampicillin Trihydrate
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