m-Xylene, scientifically identified as 1,3-dimethylbenzene and bearing the CAS number 108-38-3, is a fundamental aromatic hydrocarbon with significant industrial applications. Understanding its production, properties, and market dynamics is key for stakeholders in the chemical sector.

The production of m-Xylene is primarily rooted in the petrochemical industry. It is obtained through the fractional distillation of crude oil, where it exists as a component of the xylene fraction. Catalytic reforming of naphtha is another major route, where acyclic hydrocarbons are converted into aromatic compounds, including xylenes. Additionally, coal carbonization yields xylenes as a byproduct. While commercial xylene mixtures are common, processes exist to separate and purify individual isomers like m-xylene to meet specific industrial needs.

The characteristic properties of m-Xylene include its appearance as a colorless liquid with a distinct aromatic odor. It possesses a relatively low melting point (-48 °C) and a boiling point of around 139 °C. Crucially, m-Xylene is highly flammable, with a flash point of 27 °C, necessitating careful handling and storage protocols. Its solubility profile indicates miscibility with most organic solvents but immiscibility with water, which is important for its application and separation processes.

The market dynamics for m-Xylene are largely dictated by its end-use applications. A primary driver is its role as a precursor to isophthalic acid, a vital component in the manufacturing of high-performance polyester resins, including certain types of PET. The demand for these specialized polymers in packaging, textiles, and automotive components directly influences the demand for m-Xylene. Consequently, the ability to buy m-Xylene in bulk quantities at competitive prices is a significant factor for manufacturers.

As an industrial solvent, m-Xylene's effectiveness in dissolving resins, paints, and varnishes makes it a popular choice across various manufacturing industries. Its consistent performance and availability contribute to its widespread use. Furthermore, m-Xylene serves as an intermediate in the synthesis of other chemicals, including dyes and agrochemicals, broadening its industrial footprint.

For businesses engaged in chemical manufacturing, understanding the supply chain and procurement options for m-Xylene is crucial. Exploring online marketplaces and connecting with reputable manufacturers and suppliers can provide access to the required grades and quantities. Adherence to safety guidelines, as outlined in SDS documents, is non-negotiable when working with this flammable substance.

In conclusion, m-Xylene remains a cornerstone chemical in modern industry. Its production pathways, unique properties, and diverse applications, particularly in polymer science and as a solvent, ensure its ongoing relevance and demand in the global market.