Industrial dye synthesis applications involving p-methylanisole, known by the CAS number provided, are significant within the field of pharmaceutical and specialty chemical manufacturing. This compound, characterized by its distinct molecular structure, is formally named according to IUPAC nomenclature for unambiguous identification, and its unique InChIKey further ensures traceability and regulatory compliance in industrial use. Typically classified as a reagent or intermediate, p-methylanisole plays a pivotal role in a variety of synthetic processes, particularly those required for advanced materials and dye technologies.
Regarding its physical and chemical specifications, p-methylanisole demonstrates properties that are carefully monitored to ensure consistency during manufacturing. Data points such as boiling point, melting point, density, and flash point are established by standardized analytical methods; these parameters help define process conditions for safe handling and efficient reaction in industrial dye synthesis. Each specification, as recorded in validated physical property databases, contributes to its reliable use in large-scale operations.
From a regulatory and compliance perspective, p-methylanisole’s status is determined through several frameworks relevant to the chemical industry. REACH registration outlines both the article number under which it is recorded and the tonnage band for which it is permitted in the European market. Its presence or absence on the TSCA Chemical Substance Inventory is referenced by the applicable section, establishing its approval for commerce in the United States. Compliance with International Council for Harmonisation (ICH) standards—specified by the full code and current revision, including any quantitative limits—guides its use in contexts involving pharmaceutical or excipient applications. Global Harmonized System (GHS) hazard classifications, encompassing all pertinent H-phrases and the prescribed signal word, are critical for worker safety and environmental protection. Additional regulatory markers, such as pharmacopeia chapter numbers and permissible exposure limits (OSHA PEL or NIOSH REL), are included as applicable, ensuring employers and chemical users remain within legal compliance.
In terms of applications, p-methylanisole is a valued intermediate for synthesis routes involved in the preparation of chemically complex dyes and pigment precursors. The compound serves as a versatile starting material for selective alkylation, functionalization, or as a building block for drug-linker systems, based on the product’s classification and indexed usage in major chemical repositories such as PubChem. Notably, its utility supports multiple steps in the elaboration of advanced dyes and certain drug substances, although claims regarding pharmacological efficacy are beyond the scope of this review.
Commercially, p-methylanisole is offered in packaging formats suitable for large-scale industrial use, commonly including 25-kilogram drums, 200-kilogram drums, and intermediate bulk containers (IBCs). Storage recommendations are based on the material’s GHS-assigned stability and hazard profile, favoring cool, well-ventilated locations away from sources of ignition or incompatible materials. Shelf life is generally aligned with industry norms for aromatic ethers, provided containers remain sealed and under specified environmental conditions, thus ensuring product integrity over time.
References for the content summarized in this article include principal scientific and regulatory resources such as PubChem, NIST Chemistry WebBook, the European Chemicals Agency (ECHA), and the United States EPA TSCA Inventory. These sources collectively ensure that all factual and compliance-related details presented are current and verifiable.
Sources:
PubChem: https://pubchem.ncbi.nlm.nih.gov/compound/
NIST: https://webbook.nist.gov/cgi/cbook.cgi?Name=
ECHA:
EPA TSCA: https://www.epa.gov/tsca-inventory
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