Methyl Salicylate Impurities

Methyl Salicylate is an organic ester widely used as a topical analgesic in over-the-counter muscle pain relief products and as a flavoring agent in food and oral hygiene products. Known for its distinctive wintergreen scent, it functions primarily through counterirritant action, creating a cooling sensation that distracts from deeper musculoskeletal pain. Ensuring the pharmaceutical purity of Methyl Salicylate is essential for maintaining product safety, therapeutic efficacy, and meeting regulatory standards. Impurity profiling is crucial to detect and control unwanted by-products that may arise during synthesis, storage, or degradation. Here are some of its known impurities listed below.

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