This compound is primarily used as a Grignard reagent in organic synthesis, enabling the formation of carbon-carbon bonds. It is particularly valuable in the preparation of complex molecules, such as pharmaceuticals and natural products, where the introduction of a trimethoxyphenyl group is required. Its reactivity with various electrophiles, including carbonyl compounds like aldehydes, ketones, and esters, makes it a versatile tool for constructing intricate molecular structures. Additionally, it finds application in the synthesis of polyphenolic compounds, which are often explored for their potential biological activities, such as antioxidant or anticancer properties.