Used as an intermediate in organic synthesis, particularly in the pharmaceutical and agrochemical industries. It serves as a building block for the preparation of various heterocyclic compounds and active pharmaceutical ingredients. The acetal group provides stability and selectivity during reactions, making it valuable in multi-step syntheses where controlled release of the aldehyde functionality is required. Also employed in the production of specialty chemicals such as dyes and functional polymers. The calcium carbonate stabilization allows safer handling and storage by minimizing decomposition and polymerization risks.