N-Propylsulfonate Pyridinium Trifluoromethanesulfonate: Physical Characteristics and Practical Matters

What is N-Propylsulfonate Pyridinium Trifluoromethanesulfonate?

N-Propylsulfonate Pyridinium Trifluoromethanesulfonate belongs to a specific class of ionic compounds, combining a pyridinium core with a propylsulfonate group and paired with a trifluoromethanesulfonate anion. With this molecular formula, C9H14F3NO5S2, the structure features a positively charged pyridinium ring attached at the nitrogen to a propylsulfonate chain, balancing out the sizeable trifluoromethanesulfonate counter-ion. The overall material reflects a solid grasp of modern synthetic chemistry, drawing from materials used in specialty solvents, ionic liquids, and sometimes as intermediates in electrochemical research or energy storage.

Physical Properties

In my experience, materials like N-Propylsulfonate Pyridinium Trifluoromethanesulfonate often come in a variety of forms, influenced by purity, storage conditions, and shipping requirements. Most batches have appeared as off-white to pale yellow flakes, though sometimes a fine crystalline powder turns up, and denser preparations can form small pearls—tiny beads with a slick, tactile density. Bulk material may settle into solid cakes that break apart into powder or flakes. Bulk density tends to arrange between 1.4 and 1.6 grams per cubic centimeter, which means a liter of tightly packed crystals weighs north of a kilogram—always heavier in the hand than you’d expect from how they look. The compound’s melting point commonly shows up at about 185°C, but random moisture or chemical impurities occasionally drag the melting transition lower. Water solubility isn’t absolute, but significant; I’ve dissolved small test samples and watched a clear, colorless solution result, though those seeking absolutely pure dilution should use dry, deionized water. Hydrophobic solvents won’t do as well. N-Propylsulfonate Pyridinium Trifluoromethanesulfonate’s stability under ambient conditions impresses, refusing to degrade or discolor over weeks of storage—just keep air and moisture exposure at a minimum for maximum shelf life.

Structure Details

At the molecular level, a propylsulfonate tail hanging off the pyridine ring gives the cation its distinct character. Organic chemists might appreciate the sheer predictability of that sulfonate group, making hydrogen bonding and ion exchange straightforward during synthesis or during downstream processing. The counter-anion, trifluoromethanesulfonate (or triflate), plays its own role in stabilization, creating a well-balanced ionic crystal that resists breaking down under mild heat or ambient humidity. Each molecule has a molecular weight of 353.33 g/mol, and an empirical formula of C9H14F3NO5S2, which aligns with the high-precision needs for research-grade or industrial processing settings.

Specifications and HS Code

Detailing a technical data sheet for a compound with these properties always includes specifics on grade, assay, and impurity levels. I’ve seen certified grades with >98% purity, low moisture content, and strict limits on heavy metals—parameters driven by users requiring consistent electrochemical performance, such as battery developers or specialty catalysts. The global trade of N-Propylsulfonate Pyridinium Trifluoromethanesulfonate falls under HS Code 2934999099 (or nearby codes, depending on national specifics). Classification ensures import/export channels keep things legal and traceable. Many customs agencies have started pushing for round-the-clock tracking of raw materials like these due to dual-use concerns. In practice, reporting and paperwork can be a headache, but clear documentation keeps shipments on track and minimizes regulatory friction.

Material Forms: Solid, Powder, Pearls, and Solutions

Over the years, I’ve seen demand for multiple forms—coarse flakes dissolve fastest, but fine powders disperse more uniformly into solvents. Pearls avoid dust, a measurable benefit in labs that prioritize clean rooms or respiratory safety. In industrial contexts, solid cakes cut down on packaging volume, but always require extra time to break down before use. Users working with large volumes sometimes dissolve the crystalline material directly into solvents, producing concentrated stock solutions—especially where metered dispensing and rapid mixing are critical. Every form has its audience, and the right choice depends on equipment, application, and safety protocol. A one-liter solution of the salt, at a standard molarity, answers battery or electrochemistry testing needs far more rapidly than fussing with dry solids—in my lab, convenience wins every time, as long as long-term storage or shipping costs don’t tip the balance.

Safety, Hazardous Nature, and Environmental Considerations

Like many ionic chemicals, N-Propylsulfonate Pyridinium Trifluoromethanesulfonate demands respect in bulk handling. Dust can irritate skin and eyes, so gloves and goggles have become standard practice on my bench. Open containers slowly and avoid air currents, as even denser materials will drift if mishandled. The chemical hazard rating doesn’t reach extremes, but acute exposure to large concentrations—especially as fine particulate—risks respiratory irritation. Chronic risks haven’t been fully charted; long-term animal studies are still rare in public literature. Spills tend to sweep easily, but I always recommend shoveling into labeled, sealed drums, then following chemical waste protocols set locally. This isn’t a particularly volatile or environmentally corrosive material, but the persistent nature of triflate anions in groundwater urges caution for disposal. Workers with open cuts or respiratory conditions keep away, and all handling surfaces get a wipe-down as a matter of routine.

Role as Raw Material in Chemical and Industrial Processing

Applications for N-Propylsulfonate Pyridinium Trifluoromethanesulfonate trace through modern electrochemistry, surface modification, ionic liquid research, industrial catalysts, and certain niche pharmaceutical development processes. Often, the compound acts as an intermediate—its unique ionic structure giving chemists a toolbox for tweaking solubility, conductivity, or reactivity of larger formulations. The reproducibility and predictable melting/solubility make it a popular choice in academic labs for proof-of-concept energy storage devices. Industrial users value a material that dissolves cleanly, doesn’t throw unexpected byproducts, and ships safely. One memorable battery project relied on this compound as an electrolyte additive, with researchers praising its influence on ion transport. The demand from specialty manufacturers for raw materials like this prompts a need for robust supply chains and contingency planning—some factories keep six months’ stock just to avoid project delays if overseas shipments slow down.

Solutions to Handling and Hazard Issues

Improving safety with this compound hinges on simple changes—airtight storage, proper labeling, and routine staff training top the list. We replaced open scooping with closed-system pourers last year and saw dust incidents drop substantially. Personal protective equipment makes a difference, especially when handling larger batches. Introducing regular handling audits and material-specific hazard signage alerts new staff before mistakes occur. To reduce environmental impact, selecting high-efficiency filtration and disposal routes, plus working closely with chemical waste managers, controls runoff and inadvertent soil exposure. Automating as much of the weighing and mixing process as possible lets staff stay hands-off, especially with larger volumes. Updating emergency spill plans to account for ionic and acidic materials ensures faster response if containment ever lapses. In my own lab, keeping a buffer zone around the work area and sharing best practices with industry peers has done more to reduce near-misses than any policy document could achieve alone.