5-Pentylresorcinol stands out as an organic compound known for its practical applications across chemical, cosmetic, and pharmaceutical industries. Chemists recognize its structure by the presence of two hydroxyl groups positioned on a benzene ring and attached to a straight, five-carbon alkyl side chain. This arrangement shapes both the behavior and the properties of the material, with the molecular formula C11H16O2 and a molecular weight of 180.24 g/mol. Researchers and industry professionals value accuracy in identification, often referencing its HS Code, which is 2907299090—important during international trade and regulation.
5-Pentylresorcinol appears as a solid at room temperature, displaying a range of textures from white crystalline flakes to fine powder. Some batches might show pearl-like granules or compacted solids, depending on synthesis and processing methods used during manufacturing. The odor presents as mild, sometimes with earthy hints, and the taste offers a slightly bitter edge—though tasting chemicals should always be avoided due to safety risks. Density measurements sit around 1.02 g/cm³ at 25°C, aligning with what’s expected from medium-weight aromatic compounds. Being only minimally soluble in water, it dissolves more easily in organic solvents like ethanol, methanol, and chloroform, reflecting the nonpolar nature of its alkyl chain. As a chemical raw material, it responds in predictable ways under heat and light, with a melting point near 62-66°C and a boiling point above 300°C. Under laboratory conditions, careful control of temperature and humidity prevent unwanted oxidation and clumping, both of which affect its effectiveness in product development.
Those working directly with 5-Pentylresorcinol learn to respect its chemical profile. Sitting firmly among the resorcinol family, the molecule’s core delivers both reactivity and stability. It acts as a building block for numerous chemical syntheses, serving manufacturers of specialty polymers, UV-absorbing agents, antiseptics, and skin-care formulas. Its structure supports hydrogen bonding thanks to its two hydroxyl groups, enhancing solubility and catalytic behavior in specific solutions. Like most chemicals, exposure to eyes or skin might irritate sensitive individuals, while inhalation of dust should be limited using masks and local ventilation. By keeping the storage containers tightly sealed and away from direct sunlight or high temperatures, bulk suppliers ensure the product maintains both purity and performance.
Across commercial labs and factories, specifications guide procurement. Purity levels typically exceed 98%, as contaminants disrupt downstream processing and product safety. Detailed test reports from suppliers list melting ranges, loss on drying, and any insoluble particles to guarantee consistency. As a raw material, 5-Pentylresorcinol serves research and industrial synthesis alike. Analytical chemists rely on its predictable chromatographic profile and known physical constants; these factors simplify monitoring and quality assurance when scaling up from pilot batches to full-scale manufacturing. Producers form the substance into powder for ease of handling or melt it into a liquid solution for specialty blending, depending on end-user needs.
No one likes surprises in a chemical storeroom. 5-Pentylresorcinol does not explode, burn fiercely under normal conditions, or corrode steel containers, but it still carries risks. The substance remains non-volatile and stable unless subjected to strong oxidizers or acids. Both manufacturers and laboratory technicians wear protective gloves, goggles, and lab coats to protect skin and eyes during transfers and weighing. Spills get cleaned up quickly to prevent possible contamination or exposure. On a safety data sheet, hazard symbols usually reflect moderate irritation risks, calling for basic safety precautions rather than severe restrictions. Adequate ventilation and dust controls further limit exposure. Waste disposal follows local environmental guidelines, keeping groundwater and streams clear from synthetic byproducts.
Standard packaging varies by use: small research lots may ship in glass bottles sealed under nitrogen, while industrial drums accommodate hundreds of kilograms for bulk processors. Labels show batch number, manufacture date, and net weight, helping users trace quality back to source. Logistic teams know it rides safely under standard conditions, with shipping departments quoting the correct HS Code to avoid Customs confusion. When preparing solutions, technicians measure solids using analytical balances, dissolving the powder to specific molarities for use in controlled experiments. Calculation by liter or kilogram ensures accuracy in every step from sampling to finished product.
Anyone involved in product development values reliable raw materials. 5-Pentylresorcinol underpins new innovations in specialty coatings, polymerization initiators, and cosmetic brightening agents. Its unique blend of hydroxyl reactivity and alkyl stability delivers performance improvements in niche markets. For example, certain cosmetic creams depend on its precise interaction with tyrosinase to reduce unwanted pigmentation on skin. In plastics or adhesives, the molecule’s aromatic structure boosts rigidity, while the side chain adds needed flexibility. Reliable sourcing and clear specification drive customer confidence, and transparent reporting of origin, purity, and handling steps help meet tough regulatory standards—whether for a lab-scale prototype or a global consumer product launch.
Experience with chemicals builds respect for both their potential and their risks. Problems arise not from deliberate misuse, but from small oversights: an unlabeled container, a forgotten glove, or an unexpected high-humidity day that changes how a powder behaves. Clear labeling, routine staff training, and investment in up-to-date safety equipment protect everyone involved. Manufacturers looking to lower hazard levels might reformulate products to use less reactive analogues, or design new packaging that prevents accidental contact. Regular audits and incident reporting create a cycle of continuous improvement. By building a culture of shared responsibility, organizations benefit from fewer accidents, fewer product recalls, and greater trust from both regulators and customers.
CAS Number: 500-67-4
HS Code: 2907299090
Molecular Formula: C11H16O2
Molecular Weight: 180.24 g/mol
Appearance: White to off-white solid (flakes, powder, pearls, sometimes crystals)
Melting Point: 62-66°C
Boiling Point: Above 300°C
Density: ~1.02 g/cm³
Solubility: Low in water, higher in ethanol, methanol, and chloroform
Purity: Typically 98% or greater
Hazards: Eye and skin irritation possible; not highly toxic or flammable
Common Uses: Raw material for specialty polymers, cosmetic agents, chemical synthesis
Physical Forms: Solid, powder, flakes, pearls
Packing: Sealed glass, plastic, or drum containers, shipped under standard or inert conditions
