SHEET /m/lidocaine · PubChem CID 3676 · CAS 137-58-6 · REV 2026.07
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Lidocaine
from sourceC14H22N2O · 234.34 g/mol
xylocaine · Duncaine · Esracaine · Gravocain
What is Lidocaine?
The local anaesthetic behind a numbed tooth, sold as Xylocaine, and the active ingredient in over-the-counter numbing creams and patches. from source
CategoryPrescription medicine
Fig. 1 · 2D structure RDKit
SMILES
CCN(CC)CC(=O)NC1=C(C=CC=C1C)CWhere you'll find it
Dispensed on prescription, not sold on a shelf. See the rest of the prescription medicine group.
Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 317 mg/kg · low toxicity
- Species
- rat
- Route
- oral
An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.
Toxicity & hazards
Toxicity · LD50
317 mg/kg · low toxicity · LD50 rat oral from source
3 more reported values
- 292 mg/kgLD50 · oral · mouse
- 19.5 mg/kgLD50 · iv · mouse
- 105 mg/kgLD50 · other · mouse
DangerIrritantHealth hazardH302, H317, H362, H370, H372from source