Overview
Methylbenzoquinone, also known as toluquinone, is an organic compound derived from benzoquinone by the substitution of a methyl group. It is a yellow crystalline powder widely used in chemical synthesis and pharmaceutical applications. The compound's redox properties make it valuable in various industrial processes. As a derivative of benzoquinone, methylbenzoquinone shares many of its parent compound's characteristics but exhibits distinct reactivity due to the presence of the methyl group. Its role as an intermediate in organic synthesis underscores its importance in the chemical industry.
Physical and Chemical Properties
Methylbenzoquinone is a yellow crystalline solid with a molecular weight of 122.12 g/mol. It has a melting point of 68-70°C and is soluble in common organic solvents like ethanol and ether, though its solubility in water is limited. The compound's density is approximately 1.12 g/cm³. The presence of the quinone moiety grants methylbenzoquinone redox activity, allowing it to participate in electron transfer reactions. This property is exploited in various chemical processes. The methyl group slightly alters the electronic properties of the quinone ring, influencing its reactivity compared to unsubstituted benzoquinone.
Main Applications
Methylbenzoquinone is primarily used as an intermediate in organic synthesis, particularly in the production of pharmaceuticals and specialty chemicals. Its redox properties make it useful in reactions involving electron transfer, such as the synthesis of heterocyclic compounds. In the pharmaceutical industry, it serves as a building block for more complex molecules. Researchers also utilize methylbenzoquinone in studies of quinone chemistry and related biological processes. Its applications extend to dye synthesis and other industrial chemical processes where quinone derivatives are required.
Safety and Storage
Methylbenzoquinone should be handled with care as it can irritate the skin, eyes, and respiratory system. Appropriate personal protective equipment, including gloves and safety goggles, is recommended when working with this compound. Adequate ventilation should be maintained in work areas. The compound should be stored in a cool, dry place, protected from light and moisture. It should be kept away from oxidizing agents and strong bases to prevent unwanted reactions. Containers should be tightly sealed when not in use to maintain purity and prevent contamination.
B2B Procurement Guide
When procuring methylbenzoquinone, buyers should verify the CAS number (553-97-9) to ensure they are obtaining the correct compound. Specifications such as purity level (typically 95-99%) should be clearly stated in purchase agreements. Technical data sheets and certificates of analysis should be requested from suppliers. Bulk purchases may qualify for volume discounts, so buyers should inquire about pricing tiers. Reliable suppliers with proper handling and storage facilities should be prioritized to ensure product quality. Transportation should comply with chemical shipping regulations, especially for international shipments.
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