o-Toluic acid CAS:118-90-1

o-Toluic acid is an aromatic carboxylic acid characterized by its structure comprising a toluene derivative with a carboxyl group (-COOH) positioned ortho to the methyl group (-CH₃). Its molecular formula, C₈H₈O₂, highlights the presence of eight carbon atoms, eight hydrogen atoms, and two oxygen atoms. The compound appears as a white crystalline solid with a melting point of approximately 112 °C, and it possesses a distinctive aromatic odor. It is moderately soluble in water but readily dissolves in organic solvents such as ethanol and ether. One of the primary industrial applications of o-toluic acid is as a precursor for the synthesis of various chemical compounds. It plays a crucial role in the production of dyes and pigments, particularly azo dyes, where its reactive carboxylic group can be utilized in coupling reactions. Additionally, o-toluic acid is used in the manufacture of synthetic resins and polymers owing to its ability to undergo polymerization. In the pharmaceutical industry, o-toluic acid serves as an important building block for synthesizing medicinal compounds, contributing to the development of analgesics, anti-inflammatory drugs, and other therapeutic agents. Its structural properties enable it to interact favorably with biological targets, making it a candidate for drug design. o-Toluic acid also finds application in the agriculture sector, being used as an intermediate in the synthesis of herbicides and pesticides that play a role in crop protection. Despite its utility, safety considerations are necessary when handling o-toluic acid. It can cause skin and eye irritation upon contact and may pose health risks if inhaled or ingested. In summary, o-toluic acid is a versatile and significant compound within the field of organic chemistry, offering extensive applications in the production of dyes, pharmaceuticals, and agrochemicals. Its unique chemical properties and reactivity make it a valuable intermediate in the synthesis of various industrial and consumer products, reflecting its importance across multiple sectors.