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Pentoxifylline carries the chemical formula C13H18N4O3. The solid material takes the shape of white, odorless crystals, sometimes processed into fine powder or flakes for various applications. Its molecular weight sits at 278.31 g/mol. A physical property that sets Pentoxifylline apart comes from its density, holding steady near 1.26 g/cm³ at 20°C. While plenty of chemicals drift between forms when temperatures shift, Pentoxifylline stays stable in standard storage, neither volatile nor excessively hygroscopic. Water only dissolves the compound to a modest extent, so labs lean toward solvents like chloroform or ethanol. Flakes and crystalline solids both offer high purity and mix smoothly into formulations. This chemical gets identified with HS Code 2934999099, fitting within the pharmaceutical intermediate category.
Looking at its molecular structure, Pentoxifylline features a methylxanthine backbone. This shape is not just a technical detail; it earns Pentoxifylline a seat in the same chemical family as theophylline and caffeine. The compound appears as white to off-white crystalline powder, glimmering slightly under bright light. Crystals cluster with irregular outlines, mostly free from clumping when kept dry. No distinct odor hits the nose, unlike many strong pharmaceutical actives. Pentoxifylline neither liquifies under standard handling nor produces fumes, standing out from hazardous or malodorous industrial chemical raw materials. Handling the powder or pearls requires the usual basic chemical lab safeguards—clean gloves, protective eyewear, dust mask if airborne particles risk inhalation, but nothing beyond the standard good practice with solid organic intermediates. Its stability helps labs minimize waste during production cycles.
Manufacturers keep a close watch on assay levels, pushing for above 99% purity by HPLC, with impurity traces including methylxanthine relatives. The melting point falls between 104 and 107°C, a window supporting straightforward processing whether melting or dissolving the raw or formulated material. Storage in dry, light-protected rooms maintains shelf life for years. Pharmacopeial listings (such as USP or EP) list particle size, residual solvents, and sometimes water content, all factors that matter when blending Pentoxifylline into oral tablets, powders, or solutions. Shipment of bulk raw material typically favors sturdy polymer-lined drums that protect the solid from humidity and pressure changes. Prioritizing safe handling, facility workers rely on industrial-hygiene protocols, as Pentoxifylline neither ignites nor explodes under ordinary lab conditions, yet can trigger mild irritation if dust contacts skin or mucous membranes.
The main property behind Pentoxifylline’s use comes from its role as a vasodilator and blood rheology modifier. In clinical settings, doctors prescribe it for improving blood flow through narrowed vessels, especially in peripheral artery disease. The compound’s relatively high density and stability fit the needs of both finished pharmaceutical tablets and topical formulations. Lab experience shows tablets disperse reliably in both solid and, less commonly, liquid preparations. For research and development, Pentoxifylline’s structure attracts organic chemists exploring new methylxanthine derivatives, aiming for drugs that relax smooth muscle and reduce blood viscosity. Regulatory attention focuses on purity, ensuring that the presence of related substances or heavy metals stays below recognized thresholds.
Safe material handling makes all the difference, especially in bulk pharmaceutical manufacturing. Pentoxifylline holds a relatively low hazard profile, lacking highly toxic, corrosive, or flammable traits. The major health concern links to possible irritation if users inhale the dust, but acute toxicity ranks low—LD50 (oral, rat) typically exceeds 1,000 mg/kg. Waste from the compound or its containers requires controlled disposal, following local chemical safety standards. Facilities prevent release into drains and open environments, since even low-toxicity compounds carry unknown ecological risk in larger doses. Clean-up procedures involve moistening spilled powder before sweeping, reducing airborne dust. Spill kits and signed logs give facility managers a straightforward check on risk mitigation. I have worked along side operators who rely on clear hazard communication and standard operating procedures, avoiding confusion that can arise from poorly labeled or inadequately stored chemical drums.
Chemical identity ties every step, from documentation through logistics. Pentoxifylline uses C13H18N4O3 as its molecular formula, giving chemists a clear grasp on elemental composition. Analytical verification—by NMR, mass spectrometry, and HPLC—verifies batch identity for each lot. The official HS Code, 2934999099, flags Pentoxifylline within customs systems for import-export tracking. Accurate labeling, complete with hazard symbols and emergency contacts, protects people along the supply chain—from factory worker to transporter to healthcare provider. All these checks and balances matter: production, distribution, and use all demand clarity to minimize error and safeguard public health.
