Overview
2-Iodopropane, commonly known as isopropyl iodide, is an organoiodine compound with significant applications in chemical synthesis. As a secondary alkyl halide, it serves as a versatile intermediate in organic reactions. The compound was first prepared in the 19th century and has since become a staple reagent in research and industrial chemistry. In the chemical industry, 2-iodopropane is valued for its reactivity and relatively simple molecular structure. It typically appears as a clear to slightly yellow liquid with a characteristic odor. The commercial product is usually available in various purity grades, with 98% being common for laboratory use.
Physical and Chemical Properties
2-Iodopropane exhibits typical properties of alkyl iodides, including high density and moderate volatility. Its molecular structure features an iodine atom bonded to the secondary carbon of propane, making it more reactive than its primary isomer. The compound shows limited solubility in water but mixes well with most organic solvents. The substance is light-sensitive and may decompose when exposed to strong light or heat, releasing iodine vapors. Its refractive index is approximately 1.502 at 20°C, and it has a vapor pressure of about 49 mmHg at 20°C. These properties make careful handling and storage essential for maintaining product integrity.
Main Applications
The primary use of 2-iodopropane lies in organic synthesis, where it serves as an effective alkylating agent. Pharmaceutical manufacturers employ it in the production of various active pharmaceutical ingredients (APIs) and intermediates. It's particularly useful in nucleophilic substitution reactions and Grignard reagent formation. In research laboratories, 2-iodopropane finds application in catalyst systems and as a building block for more complex molecules. Some specialized uses include its role in the synthesis of liquid crystals and as a reference standard in analytical chemistry. Industrial applications occasionally include its use in certain polymerization processes.
Safety and Storage
As with many alkyl halides, 2-iodopropane requires careful handling due to its toxicity and flammability. Proper personal protective equipment (PPE) including gloves, goggles, and fume hoods should always be used. The compound can cause severe irritation to skin, eyes, and respiratory system upon exposure. Storage should be in amber glass or other light-resistant containers under inert atmosphere when possible. Keep away from oxidizing agents and strong bases. For long-term storage, refrigeration is recommended, though the compound should be allowed to reach room temperature before opening to prevent moisture condensation.
B2B Procurement Guide
When sourcing 2-iodopropane for commercial or industrial use, several factors should be considered. Purity specifications are crucial, with most applications requiring at least 98% purity. Technical grade may be suitable for some industrial processes at lower cost. Packaging options typically range from 100g to 25kg containers. Reliable suppliers should provide comprehensive safety data sheets (SDS) and certificates of analysis. Consider transportation regulations, as 2-iodopropane may be classified as hazardous material for shipping. Bulk purchases may offer cost advantages, but evaluate storage capabilities and usage rates to prevent degradation of excess stock.
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