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Lidocaine hydrochloride

Physical and chemical properties Local anesthetic and antiarrhythmic drugs Application Indications Usage and dosage Adverse effect Medicine interactions Precautions References
Lidocaine hydrochloride
Lidocaine hydrochloride structure
Chemical Name:
Lidocaine hydrochloride
s202;v262;xylocard;xyloneural;LIDOCAINE HCL;Licain Monohydrate;Batixim Monohydrate;Dynexan Monohydrate;rucainahydrochloride;xycainehydrochloride
Molecular Formula:
Formula Weight:
MOL File:

Lidocaine hydrochloride Properties

Melting point:
storage temp. 
CAS DataBase Reference
73-78-9(CAS DataBase Reference)
EPA Substance Registry System
Acetamide, 2-(diethylamino)-N-(2,6-dimethylphenyl)-, monohydrochloride(73-78-9)


RIDADR  3249
HazardClass  6.1(b)
PackingGroup  III

Lidocaine hydrochloride price

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Lidocaine hydrochloride Chemical Properties,Uses,Production

Physical and chemical properties

Lidocaine hydrochloride is white and odorless crystal with bitter and numb taste. It is easily soluble in water, ethanol and organic solvents, but insoluble in ether. Aqueous solution in the case of acid and alkali do not break down, repeated autoclave rarely go bad.

Local anesthetic and antiarrhythmic drugs

Lidocaine hydrochloride is a local anesthetic and antiarrhythmic drug. It is clinically used for infiltration anesthesia, epidural anesthesia, surface anesthesia (including in the thoracoscopy or abdominal surgery for mucosal anesthesia) and nerve conduction block. The drug can also be used for acute myocardial infarction after ventricular premature beats and ventricular tachycardia, and for digitalis poisoning, cardiac surgery and ventricular arrhythmias caused by cardiac catheterization. But it is usually ineffective for supraventricular arrhythmias.
Lidocaine hydrochloride is an amide local anesthetic. After blood absorption or intravenous administration, the drug has obvious excitement and inhibition of biphasic effects for the central nervous system, and no excitement of the pioneer. With the dose increased, the role or toxicity increased, there is an anti-convulsive effect with sub-poisoning plasma concentration; Blood concentration of more than 5μg • ml-1 can occur convulsions. Lidocaine hydrochloride in low doses can promote outflow of K+ in cardiomyocytes, reduce myocardial autonomy, and has antiarrhythmic effects. In the treatment dose, lidocaine hydrochloride has no significant effect for the electrical activity of cardiomyocytes, atrioventricular conduction and myocardial contraction. Increased plasma concentration may cause slowing of heart conduction, atrioventricular block, inhibition of myocardial contractility and decreased cardiac output.


Lidocaine hydrochloride is characterized by strong penetration, strong dispersion, rapidly onset. The anesthetic performance is twice that of procaine and the toxicity is1. There is an anesthetic effect after 5 minutes treatments, and anesthesia can last 1 to 1.5 hours, 50% longer than procaine. The drug is effective on the heart of the disease or arrhythmia caused by cardiac glycoside, but on the supraventricular tachycardia is poor. This product is fast and oral ineffective, with short duration, and often used as intravenous administration.


  •  The drug can be used for infiltration anesthesia, epidural anesthesia, surface anesthesia and nerve conduction block
  • The drug can be used for acute myocardial infarction after ventricular premature beats and ventricular tachycardia, and for digitalis poisoning, cardiac surgery and ventricular arrhythmias caused by cardiac catheterization. But it is usually ineffective for supraventricular arrhythmias.

Usage and dosage

Surface anesthesia with solution of 2% to 5%.Infiltration anesthesia with solution of 0.25% to 0.5%, conduction anesthesia with 2%, each injection point, horse, cattle 8 to 12 ml, sheep 3 to 4 ml. Epidural anesthesia with 2% solution, horse, cow, 8 to 12 ml, dog, cat, 0.22 ml per kilogram of body weight. Subcutaneous injection with 2% solution, pig, sheep, 80 ml, horse, cow, 400 ml, dog,25 ml, cat, 8.5 ml.
Treatment of arrhythmia, intravenous injection: Per kg of dog’s body weight of the initial dose is 2 to 4 mg, followed by 25 to 75 micrograms per minute intravenous infusion; Cat initial dose of 250 to 500 micrograms, followed by intravenous infusion of 20 micrograms per minute.

Adverse effect

The incidence of adverse effect with lidocaine hydrochloride was about 6.3%. Most adverse effects are dose dependent. Adverse effects are drowsiness, dizziness, nausea, vomiting, burnout, euphoria, insanity, muscle convulsions, syncope, blurred vision, confusion and difficulty breathing. Large doses lead to severe sinus bradycardia, cardiac arrest, severe atrioventricular block and weakened myocardial contractility, reduced blood pressure and so on. Excess concentrations of lidocaine hydrochloride in the blood cause some problems. For example, atrial conduction slows, atrioventricular blocks (A-V-B), and inhibits myocardial contractility and cardiac output decreases. There are little allergic effects, such as erythema rash, angioneurotic edema and so on.

Medicine interactions

  •  Cimetidine and β-blockers can inhibit metabolism of lidocaine through liver, so that the blood concentration increases and adverse reactions occur in the heart and nervous system. We should adjust the dose of lidocaine hydrochloride.
  • Barbiturates can promote the metabolism of lidocaine hydrochloride, and the two drugs can cause bradycardia and sinus arrest.
  • Combined with procainamide, the drug can produce excessive delirium and hallucinations, but does not affect the product plasma concentration.
  • Isoprenaline Isoprinosine could increase the total clearance of lidocaine hydrochloride through increased liver blood flow; norepinephrine could reduce the total clearance of lidocaine hydrochlor through reduced liver blood flow.
  • The drug is contraindicated with phenobarbital, thiopental sodium, sodium nitroprusside, mannitol, amphotericin B, ampicillin, and sulfadiazine.


  • Patients Allergic to other local anesthetics may be allergic to lidocaine hydrochloride.
  • The following circumstances with caution: Pregnancy, neonatal especially in premature infants, liver blood flow reduction, liver and kidney dysfunction, congestive heart failure, severe myocardial damage, low blood volume, shock and other patients.
  • Strictly grasp the concentration and total medication, excessive can cause convulsions and cardiac arrest; the body metabolism is slower than procaine, and there is accumulation, causing poisoning and convulsions.
  • Medication of the elderly should be adjusted the dose according to the needs and tolerability, and over the age of 70 should be halved.
  • Prevent straying into the blood vessels when anaesthetizing, prevent local anesthetic poisoning.
  •  We should pay attention to monitoring blood pressure, electrocardiogram, and with rescue equipment when arrhythmia Treatment; drug administration should be immediately discontinued in some circumstances. For example, ECG P-R interval prolongs or QRS wave widens, other arrhythmia or the original arrhythmia deteriorates.


Chemical Properties

White to Off-White Solid


Local anesthesic;Na+ channel blocker


Anesthetic (local); antiarrhythmic (class IB). Long-acting, membrane stabilizing agent against ventricular arrhythmia. Originally developed as a local anesthetic.


ChEBI: The anhydrous form of the hydrochloride salt of lidocaine.

brand name

Alpha caine Hydrochloride (Carlisle); Anestacon (Polymedica); Laryng-O-Jet (International Medication); Lidocaton (Phar maton); Lidopen (Meridian); Xylocaine (Abraxis); Xylo caine (AstraZeneca); Xylocaine (Dentsply).

General Description

Lidocaine hydrochloride,2-(diethylamino)-2 ,6 -acetoxylidide monohydrochloride(Xylocaine), was conceived as a derivative of gramine(3-dimethylaminomethylindole) and introduced as a localanesthetic. It is now being used intravenously as a standardparenteral agent for suppression of arrhythmias associatedwith acute myocardial infarction and cardiac surgery.It isthe drug of choice for the parenteral treatment of prematureventricular contractions.

Clinical Use

Lidocaine hydrochloride is a class IB antiarrhythmicagent with a different effect on the electrophysiologicalproperties of myocardial cells from that of procainamideand quinidine. It binds with equal affinity to the active (A)and inactive (I) Na+ ion channels. It depresses diastolic depolarizationand automaticity in the Purkinje fiber networkand increases the functional refractory period relative toaction potential duration, as do procainamide and quinidine.It differs from the latter two drugs, however, in that it doesnot decrease, and may even enhance, conduction velocity and increase membrane responsiveness to stimulation.There are fewer data available on the subcellular mechanismsresponsible for the antiarrhythmic actions of lidocainethan on the more established drug quinidine. It has been proposedthat lidocaine has little effect on membrane cation exchangeof the atria. Sodium ion entrance into ventricularcells during excitation is not influenced by lidocaine becauseit does not alter conduction velocity in this area.Lidocaine hydrochloride does depress Na+ influx duringdiastole, as do all other antiarrhythmic drugs, to diminishautomaticity in myocardial tissue. It also alters membraneresponsiveness in Purkinje fibers, allowing increased conductionvelocity and ample membrane potential at the timeof excitation.

Safety Profile

Poison by ingestion, intraperitoneal, intravenous, subcutaneous, intramuscular, and intratracheal routes. Human systemic effects: somnolence, respiratory depression, low blood pressure, cardiomyopathy includmg infarction, pulse rate increase. An experimental teratogen. Other experimental reproductive effects. A skin and eye irritant. An anesthetic. When heated to decomposition it emits very toxic fumes of NOx and HCl.

Lidocaine hydrochloride Preparation Products And Raw materials

Raw materials

Preparation Products

Lidocaine hydrochloride Suppliers

Global( 199)Suppliers
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Hebei Huanhao Biotechnology Co., Ltd.
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86-0551-65418684 China 1662 55
Meihua Biological Technology Co.,Ltd
031145896235 CHINA 215 58
Jinan Jianfeng Chemical Co., Ltd
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View Lastest Price from Lidocaine hydrochloride manufacturers

Image Release date Product Price Min. Order Purity Supply Ability Manufacturer
2019-04-12 Lidocaine Hydrochloride
US $1.00 / g 10g 99% 10000kg/Month Cangzhou Wanyou New Material Technology Co.,Ltd
2019-04-02 Lidocaine hydrochloride
US $10.00 / KG 100g 99% 10tons Hebei Jimi Trading Co., Ltd.
2018-12-19 Lidocaine hydrochloride
US $2.00 / kg 1kg 99% Ask career henan chemical co

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  • API-
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  • C14H22N2OHCl
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  • Lidocaine HCL (BP/USP)
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