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MARCAINE - SPINAL Description (bupivacaine hydrochloride injection, USP - SPINAL)

11 DESCRIPTION

MARCAINE SPINAL (bupivacaine hydrochloride in dextrose injection) is an amide-local anesthetic and sterile hyperbaric aqueous solution. The route of administration for MARCAINE SPINAL is by subarachnoid injection. MARCAINE SPINAL contains bupivacaine hydrochloride, as the active pharmaceutical ingredient and also contains Dextrose, as baricity agent.

Bupivacaine Hydrochloride (monohydrate) chemical name is 2-piperidinecarboxamide, 1-butyl-N-(2,6-dimethylphenyl)-, monohydrochloride, monohydrate, a white crystalline powder that is freely soluble in 95 percent ethanol, soluble in water, and slightly soluble in chloroform or acetone. Bupivacaine Hydrochloride (monohydrate) has a molecular formula of C18H28N2O∙HCl∙H2O and molecular weight of 342.90 g/mol and has the following structural formula:

Chemical Structure

Dextrose chemical name is D-glucopyranose. Dextrose (anhydrous) has a molecular formula of C6H12O6, molecular weight of 180.16 g/mol and has the following structural formula:

Chemical Structure

MARCAINE SPINAL (bupivacaine hydrochloride in dextrose injection) is a clear and colorless sterile hyperbaric solution.

Each mL of MARCAINE SPINAL contains 7.5 mg bupivacaine hydrochloride (anhydrous) (equivalent to 7.9 mg of bupivacaine hydrochloride monohydrate), 82.5 mg dextrose (anhydrous) as baricity agent, and sodium hydroxide and hydrochloric acid as pH adjusters in water for injection.

MARCAINE SPINAL pH is between 4.0 and 6.5.

The specific gravity of MARCAINE SPINAL is between 1.030 and 1.035 at 25°C and 1.03 at 37°C.

MARCAINE SPINAL does not contain any preservatives.

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