4-Acetyl-Pyrrolidine appears in conversation in chemistry labs, industry stockrooms, and on cargo lists in chemical logistics. This compound, with a molecular formula of C6H11NO and a molecular weight of 113.16 g/mol, stands out through its unique blend of physical and chemical traits. Its chemical structure builds from a five-membered nitrogen-containing pyrrolidine ring, topped with an acetyl group at the fourth position, giving it distinctive reactivity and handling features. What draws attention is its flexibility: as a core building block, this substance handles transformations in organic synthesis or steps in pharmaceutical research and industrial manufacturing.
People handling 4-Acetyl-Pyrrolidine often remark on its white to off-white appearance—either crystalline powder, flakes, or even small pearls, depending on the chosen production method and storage conditions. Under usual lab conditions, it tends to stay solid at room temperature, though given the right solvent, it moves into solution easily. Density numbers line up around 1.057 g/cm³, so it carries a certain heft in a bottle that’s hard to miss on the shelf. The melting point and boiling point show practical data for those who want to plan syntheses: melting in the range of 40-42°C and boiling above 220°C. In liquid form, the appearance gives away its purity; impurities darken its color, often alerting the careful chemist to check product quality, which affects results in further chemical steps.
The backbone of this molecule—pyrrolidine—delivers mild basicity thanks to the nitrogen atom. Acetyl substitution at position four changes its electronic environment, making the compound less reactive than pyrrolidine alone, while still enabling certain targeted reactions. For people trained in organic chemistry, this pushes 4-Acetyl-Pyrrolidine forward in applications like pharmaceutical precursors or flavors and fragrances. Its stability under neutral storage lets it sit safely in most chemical cabinets, though it reacts with strong oxidizing agents or acids, so separation and clear labeling gain added importance. The material doesn’t release strong fumes, but improper storage or overheating can lead to breakdown products with sharper odors, signaling degradation or hazard potential.
Buying or importing this chemical draws people’s attention to regulatory documentation. The HS Code—short for Harmonized System Code—anchors shipment documentation, which often clocks in at 2933999099 or similar numbers depending on the region. Safety data sheets describe it as hazardous if swallowed, inhaled, or in contact with skin, even though its volatility remains low. Its safe storage includes tightly sealed containers, cool dry areas, and clear hazard labeling as mandated by global conventions like GHS (Globally Harmonized System). When entering the workforce, new technicians and scientists read those labels and practice measured caution: gloves, goggles, dust protection, and routine spill cleanup. On the industrial scale, continuous monitoring keeps exposure and accidents low.
4-Acetyl-Pyrrolidine does not find itself in household products but holds steady as a raw material in research, pharma development, and specialty chemical production pipelines. Its usefulness stems mostly from its predictable chemical openings: the acetyl group offers an attachment point, while the pyrrolidine ring’s flexibility supports a wide mix of modifications. In my own experience watching younger colleagues step through safety routines, labs learn quickly that dust inhalation and accidental skin contact come up as the most common risks—nothing flashy, just slow exposure building up to headaches, drowsiness, or mild irritation. Disposal needs full compliance, so people bag up waste solids and contaminated gloves for shipment as hazardous material, never shoving leftovers down a sink. Compatibility with existing protective gear means no specialty requirements, but routine checks, spill drills, and up-to-date training matter more than ever as new staff take over from those more experienced.
Problems in materials handling often come from human shortcuts—leaving lids loose, trusting memory over data, or skipping protective gear when things get busy. Daily walkthroughs, clear accountability, and real consequences for lapses turn safety practice into habit, not theory. Chemical storage needs real investment in resistant shelving and ventilation—trying to cut costs in these areas leads to trouble eventually. Cross-discipline communication solves mistakes before they build into bigger issues, so training should always include regular open-table reviews between new and veteran staff. I’ve seen labs transform their entire accident rate just by shifting focus from speed to accuracy, and recognizing that “good enough” isn’t enough. Manufacturers could ship 4-Acetyl-Pyrrolidine with traceability labels, QR codes linked to safety sheets, and batch-specific handling tips. Down the road, better packaging solutions—like single-use pre-dosed containers—could reduce contamination and overexposure, so people spend less time measuring and more time on real research.
