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2-Isopropylphenol: Properties, Structure, and Applications

What is 2-Isopropylphenol?

2-Isopropylphenol, recognized by its molecular formula C9H12O, stands as an organic compound belonging to the family of alkylphenols. This chemical, sometimes called o-Cumenol, draws attention for its clear phenolic aroma and moderate solubility in water. Chemists commonly spot its presence as white to pale yellow crystalline flakes or solid powder, though it also appears as small pearls or in liquid state, depending on storage temperature. People often handle it in laboratories, raw materials facilities, and chemical production units due to its useful synthetic and solvent properties.

Structural Features and Molecular Details

The structure of 2-Isopropylphenol features a benzene ring substituted at the ortho position by an isopropyl group. This arrangement gives the molecule a unique balance of hydrophobic and hydrophilic regions, impacting how it interacts with other materials. In a scientific setting, the molecular mass measures 136.19 g/mol. Analysis by spectroscopy confirms the presence of a single hydroxyl group attached directly to the aromatic ring, contributing to its typical phenolic properties. Its CAS number, 88-69-7, helps specialists track and verify the compound through regulatory databases and trade systems.

Physical and Chemical Properties

Physical handling reveals a melting point range from 25°C up to 28°C, so at room temperature, many users find it in either a solid or supercooled liquid form. Bulk 2-Isopropylphenol presents as pale flakes, though under some storage conditions, small crystals or pearly solids emerge. Density measures near 0.98 g/cm³, and its boiling point reaches roughly 220°C, making it suitable for numerous industrial heating and processing steps. Its mild solubility in water contrasts with easy mixing in organic solvents like alcohol or ether. The chemical balances acidity and volatility; its phenolic hydrogen displays weak acidity, leading to some reaction with bases and slow oxidation on exposure to air.

Specification, HS Code, and Raw Material Use

International commerce sorts 2-Isopropylphenol under HS Code 290711. This helps organize tariffs and shipping regulations. Chemical manufacturers appreciate its role as a strong intermediate in fragrances, disinfectants, resins, and polymer modifications. As a raw material, its reactivity allows easy derivatization, leading to a range of specialty chemicals. Many industries depend on its ability to introduce hydrophobic yet reactive moieties into target molecules, a feature impossible to overlook for both research chemists and commercial plant operators. Consistent material characterization, including density, melting point, and purity analysis, remains critical for effective downstream use.

Handling, Safety, and Environmental Impact

Direct exposure to 2-Isopropylphenol brings safety considerations. People involved in storage, measurement, or mixing face a moderate risk of skin irritation or respiratory discomfort if dust or vapors reach high levels. The liquid and powdered forms both carry flammability risk due to their low flash point, so fire-proof storage and careful temperature management matter much in larger facilities. Agencies rank this compound as hazardous—protective equipment, good ventilation, and spill management protocols form a daily part of handling routines. Occupational health records stress the need for timely air quality checks and prompt clean-up plans in any space using 2-Isopropylphenol. Spillage avoidance and quick neutralization help limit long-term environmental damage or harm to nearby communities. Industrial wastewater guidelines recommend pre-treatment steps to degrade or contain this chemical before release.

Opportunities and Risks in Industrial Chemistry

From practical use, the compound sees high demand in the formulation of medical disinfectants, specialty resins, and synthetic fragrances. Some production teams opt for automated feeders and containment lines to reduce direct handling and improve safety outcomes, while downstream researchers continue to explore new derivatives for biocidal and polymerizing applications. Regulatory pressure and rising environmental standards push for continuous improvement—enclosed systems, real-time exposure monitoring, and greener process alternatives come under regular review. Some users substitute or blend 2-Isopropylphenol with other phenolic compounds, aiming to control reactivity and minimize total chemical use. Encouraging safe process design and supporting recycling initiatives help ensure this chemical delivers economic and technical benefits, without handing on unnecessary risks to workers or ecosystems.

Conclusion and Practical Implications

2-Isopropylphenol serves as a key player in modern industrial chemistry. Its unique combination of hydrophobic character, reactivity, and moderate toxicity creates both opportunity and challenge in manufacturing and product formulation. Secure handling, clear labeling, and effective disposal all play real roles in reducing long-term harm. By understanding the specific properties—density, melting form, reactivity, and trade classification—stakeholders make better decisions about supply chain logistics and process safety. The continued search for lower-impact alternatives and smarter reuse strategies reflects a trend towards safer and more sustainable chemical industries, showing how detailed knowledge of one molecule can shape broader shifts in technology and policy.