Overview
2-Methylanthraquinone (2-MAQ) is an organic compound derived from anthraquinone, characterized by a methyl group at the 2-position. It is primarily manufactured for industrial applications due to its role as a precursor in dye synthesis and photoinitiator systems. The compound’s stability and reactivity make it valuable in chemical manufacturing, particularly in producing vat dyes and pharmaceuticals. Industrial-grade 2-MAQ typically has a purity of 98% or higher, ensuring consistent performance in specialized applications.
Physical and Chemical Properties
2-Methylanthraquinone appears as a pale yellow crystalline powder with a molecular weight of 222.24 g/mol. It is insoluble in water but dissolves readily in organic solvents like ethanol and acetone, facilitating its use in chemical reactions. Key properties include a melting point of 175–177°C and a density of 1.28 g/cm³. The compound is photosensitive, making it suitable for UV-curable coatings and inks. Its stability under normal conditions ensures long shelf life when stored properly.
Main Applications
The primary use of 2-MAQ is in the synthesis of vat dyes, which are essential for coloring textiles, paper, and plastics. Its photoinitiator properties are leveraged in UV-curable coatings and adhesives, where it accelerates polymerization under light exposure. In pharmaceuticals, 2-MAQ serves as an intermediate for producing certain drugs. Its derivatives are also explored in advanced materials research, including liquid crystals and organic semiconductors.
Safety and Storage
2-Methylanthraquinone is classified as an irritant, requiring handling with gloves, goggles, and proper ventilation. Prolonged exposure may cause skin or respiratory irritation, necessitating workplace safety protocols. Storage should be in tightly sealed containers, away from light and oxidizing agents, at temperatures below 30°C. Incompatible materials include strong acids and bases. Spills should be contained using inert absorbents and disposed of as hazardous waste.
B2B Procurement Guide
When procuring industrial-grade 2-MAQ, prioritize suppliers with ISO or GMP certifications to ensure quality consistency. Request certificates of analysis (CoA) specifying purity (≥98%), residual solvents, and heavy metal content. Bulk pricing is often negotiable for quantities above 100 kg. Logistics should account for hazardous material regulations, especially for international shipping. Sample testing is recommended to verify compliance with application-specific requirements.
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