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(baclofen) Injection 0.05 mg/mL, 0.5 mg/mL and 2 mg/mL
For intrathecal injection and infusion only
Chemical Name: 4-amino-3-(p-chlorophenyl) butyric acid
Molecular Formula: C10H12ClNO2
Molecular Weight: 213.67
Description: White to off-white, odorless or practically odorless crystalline powder.
Solubility: Slightly soluble in water, very slightly soluble in methanol and insoluble in chloroform.
pKa: pKa, 1 = 3.87 (carboxyl group) and pKa, 2 = 9.62 (amino group) in water at 20OC.
The contents of each sterile ampoule are described in the following table.
|Dosage mg/mL||Total Volume mL||Medicinal ingredient||Non-medicinal ingredients|
|Baclofen/mg||Sodium chloride/mg||Water for injection|
|0.05||1||0.05||9||up to 1 mL|
|0.5||20||10||180||up to 20 mL|
|2||5||10||45||up to 5 mL|
Last reviewed on RxList: 12/15/2016
This monograph has been modified to include the generic and brand name in many instances.
Additional Lioresal Intrathecal Information
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