Ipratropium Bromide API
Overview
Ipratropium Bromide API is a quaternary ammonium compound derived from atropine, widely used as a bronchodilator in respiratory medicine. It functions by blocking muscarinic acetylcholine receptors, leading to relaxation of bronchial smooth muscles and improved airflow in patients with COPD and asthma. The API is typically formulated into inhalers or nebulizer solutions for direct delivery to the lungs. As a bulk pharmaceutical ingredient, Ipratropium Bromide API must meet stringent purity and quality standards set by pharmacopeias such as the United States Pharmacopeia (USP) and European Pharmacopoeia (EP). Pharmaceutical manufacturers source this API for the production of branded and generic respiratory medications.
Physical and Chemical Properties
Ipratropium Bromide is characterized as a white to off-white crystalline powder with a molecular weight of 412.37 g/mol. It is chemically stable under recommended storage conditions but may degrade when exposed to excessive heat, light, or moisture. The compound is soluble in water and methanol, making it suitable for aqueous formulations. Its melting point ranges between 230-232°C, indicating moderate thermal stability. The API exhibits anticholinergic activity by competitively inhibiting acetylcholine at muscarinic receptors in the bronchial smooth muscles. This mechanism underlies its therapeutic effects in respiratory conditions.
Main Applications
The primary application of Ipratropium Bromide API is in the treatment of chronic obstructive pulmonary disease (COPD), including chronic bronchitis and emphysema. It is also used as a maintenance therapy for asthma, particularly in patients who require additional bronchodilation beyond beta-2 agonists. Pharmaceutical formulations containing this API include metered-dose inhalers (MDIs), dry powder inhalers (DPIs), and nebulizer solutions. In clinical practice, it is often combined with other bronchodilators like albuterol for enhanced therapeutic effects. The API's ability to reduce bronchospasm and mucus secretion makes it valuable in managing acute and chronic respiratory symptoms.
Safety and Storage
As a pharmaceutical raw material, Ipratropium Bromide API requires careful handling to ensure operator safety and product integrity. Personnel should wear appropriate PPE, including gloves, lab coats, and eye protection, to prevent skin contact or inhalation of powder particles. The API should be stored in tightly sealed containers under controlled conditions: temperature between 15-30°C, protected from light and moisture. Degradation products may form if exposed to unfavorable conditions, potentially affecting the efficacy of final drug products. Facilities handling this material should have proper ventilation and follow good manufacturing practices (GMP) guidelines.
B2B Procurement Guide
When procuring Ipratropium Bromide API, pharmaceutical companies should prioritize suppliers with proven track records in API manufacturing and distribution. Key considerations include verification of the supplier's Drug Master File (DMF) status, GMP compliance certifications, and successful regulatory inspections. Quality assurance documents, particularly the Certificate of Analysis (COA), should be thoroughly reviewed to confirm compliance with pharmacopeial standards (USP/EP). Batch-to-batch consistency, impurity profiles, and residual solvent levels are critical quality parameters. Pricing typically ranges between $500-$800 per kilogram, though large-volume purchases may qualify for discounts. Lead times can vary from 4-8 weeks depending on supplier inventory and production schedules.
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