For chemists, researchers, and procurement specialists, a thorough understanding of chemical intermediates is crucial for successful project outcomes. 3-Methyl-2-butenoic Acid, identified by CAS 541-47-9 and known by several synonyms including Senecioic Acid and 3-Methylcrotonic Acid, is a significant fine chemical with diverse applications. This article delves into its core properties, common synthesis methods, and practical advice on sourcing this compound from reliable manufacturers and suppliers.

Key Chemical Properties and Identification

3-Methyl-2-butenoic Acid is an unsaturated carboxylic acid with the molecular formula C5H8O2 and a molecular weight of approximately 100.12 g/mol. It typically presents as a white powder. Key physical properties include a melting point generally in the range of 65-70 °C and a boiling point around 194-195 °C. Its solubility in water and methanol is also noted. For accurate identification and quality verification, always cross-reference the CAS number 541-47-9 and review product specifications provided by the supplier.

Synthesis Routes for 3-Methyl-2-butenoic Acid

The synthesis of 3-Methyl-2-butenoic Acid often involves reactions that create the characteristic branched unsaturated carboxylic acid structure. One common method involves the reaction of isopropylidene acetone with potassium hypochlorite in dioxane, followed by acidification and purification. This process, when optimized by skilled manufacturers, can yield the desired product with good efficiency. Understanding the synthesis can also provide insights into potential impurities and quality control measures that a reputable supplier would implement.

Strategic Sourcing and Procurement Tips

When looking to buy 3-Methyl-2-butenoic Acid, sourcing from China offers significant advantages, particularly concerning price and availability. Identifying reputable manufacturers and suppliers is paramount. Prioritize those who can consistently supply material with a purity of 98% or higher and provide thorough documentation, such as Certificates of Analysis (COA). When requesting a quote, be specific about your required quantities, packaging needs, and delivery timelines. Building strong relationships with dependable chemical suppliers ensures a smooth procurement process for your research and production needs.

By familiarizing yourself with the properties and sourcing strategies for 3-Methyl-2-butenoic Acid, you can make informed decisions to support your chemical projects effectively.