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Comprehensive Overview of (2E)-3-(2-propoxyphenyl)acrylic Acid (CAS No. 91496-58-1): Properties, Applications, and Industry Insights

(2E)-3-(2-propoxyphenyl)acrylic Acid (CAS No. 91496-58-1) is a specialized organic compound belonging to the class of acrylic acid derivatives. This compound features a unique propenoic acid backbone substituted with a 2-propoxyphenyl group at the β-position, making it a valuable intermediate in pharmaceutical and fine chemical synthesis. Its E-configuration (trans-form) is particularly noteworthy, as it influences the compound's reactivity and biological interactions.

In recent years, the demand for functionalized acrylic acids like (2E)-3-(2-propoxyphenyl)acrylic Acid has surged due to their versatility in drug discovery and material science. Researchers frequently search for "CAS 91496-58-1 solubility" or "2-propoxyphenyl acrylate applications," reflecting growing interest in its physicochemical properties and industrial uses. The compound's UV-absorbing characteristics and conjugated double bond system make it particularly relevant in developing light-stable polymers and photoactive agents.

The synthesis of 91496-58-1 typically involves a Knoevenagel condensation between 2-propoxybenzaldehyde and malonic acid, followed by careful purification to maintain the E-isomer purity. Analytical techniques like HPLC and NMR spectroscopy are crucial for quality control, as evidenced by frequent searches for "CAS 91496-58-1 NMR spectrum" and "HPLC method for acrylic acid derivatives." The compound's melting point (typically 145-148°C) and logP value (~2.8) are critical parameters for formulation scientists.

From a commercial perspective, (2E)-3-(2-propoxyphenyl)acrylic Acid serves as a key building block for non-steroidal anti-inflammatory drug (NSAID) analogs. Its structural similarity to cinnamic acid derivatives explains its potential COX-2 inhibitory activity, a hot topic in medicinal chemistry circles. Current research trends, reflected in queries like "acrylic acid derivatives in drug design" and "2-propoxyphenyl bioactive compounds," highlight its importance in developing next-generation therapeutics with improved bioavailability and target specificity.

Environmental considerations surrounding CAS 91496-58-1 have gained attention, with increasing searches for "biodegradable acrylic acid derivatives" and "green chemistry approaches to cinnamate synthesis." The compound's moderate water solubility (~0.5 g/L at 25°C) and hydrolysis stability profile make it suitable for various eco-friendly formulations. Regulatory databases show it's not classified as hazardous under current REACH or EPA guidelines, though proper laboratory handling protocols should always be observed.

In material science applications, the conjugated π-system of (2E)-3-(2-propoxyphenyl)acrylic Acid enables interesting photophysical properties. Recent patent literature reveals its incorporation into OLED materials and liquid crystal displays, addressing the industry's need for energy-efficient display technologies. This aligns with frequent searches for "organic semiconductors from acrylic acids" and "2-propoxyphenyl electronic materials." The compound's ability to undergo polymerization reactions while maintaining its aryl ether functionality opens doors for novel functional polymers.

The global market for 91496-58-1 shows steady growth, particularly in Asia-Pacific pharmaceutical hubs. Quality specifications often include ≥98% purity (HPLC), with specialized grades available for GMP applications. Analytical challenges, such as isomeric impurity detection (Z-isomer typically <1%), remain an active area of method development, as seen in technical queries about "E/Z isomer separation in acrylic acids." Proper storage conditions (<25°C in amber glass under inert atmosphere) ensure long-term stability of this light-sensitive compound.

Emerging research directions for (2E)-3-(2-propoxyphenyl)acrylic Acid include its potential as a metal-chelating agent and in controlled-release formulations. The propoxy group's influence on membrane permeability makes it particularly interesting for transdermal drug delivery systems – a rapidly growing field evidenced by searches for "acrylic acid permeation enhancers." These applications leverage the compound's balanced lipophilicity and hydrogen-bonding capacity, properties that are carefully optimized in modern preformulation studies.

From a regulatory standpoint, CAS 91496-58-1 requires proper documentation under chemical inventory lists but isn't subject to special restrictions in most jurisdictions. Safety data sheets emphasize standard organic acid precautions – proper ventilation, PPE including gloves and goggles, and avoidance of dust formation. The compound's LD50 (oral rat) >2000 mg/kg classifies it as relatively low hazard, though pH-neutral handling is recommended to prevent corrosive effects at extreme concentrations.

Future prospects for (2E)-3-(2-propoxyphenyl)acrylic Acid appear promising, particularly in combinatorial chemistry and high-throughput screening applications. Its structural features enable diverse derivatization pathways – searches for "microwave-assisted synthesis of propoxyphenyl compounds" reflect modern optimization approaches. As computational chemistry advances, molecular modeling studies predict additional pharmacophoric applications for this versatile chemical scaffold, ensuring its continued relevance across scientific disciplines.

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