About Diiodomethane (75-11-6) (CH2I2)
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Technical profile of Diiodomethane, a high-purity raw chemical material supplied by Triveni Chemicals for industrial manufacturing and laboratory synthesis.
Technical Specifications:
CAS Number: 75-11-6
Chemical Formula: CH2I2
Industrial Uses & Applications:
Diiodomethane, Also Known As Methylene Iodide, Is A Dense, Colorless To Pale Yellow Liquid With A Mild Sweet Odor. It Is A Dihalogenated Methane With High Molecular Weight And Strong Polarizability, Making It Useful For Specialized Laboratory And Industrial Applications. Diiodomethane Is Toxic And Can Cause Irritation To The Skin, Eyes, And Respiratory Tract.
Industrial Applications and BenefitsDiiodomethane's high density proves crucial for the gravity separation of minerals, providing reliable differentiation by allowing denser substances to sink while lighter ones float. It facilitates greater efficiency in industrial separations and is indispensable in gemology for examining gemstones via immersion. As a reagent in organic chemistry, it plays a vital role in synthesizing cyclopropane rings, expanding pathways for advanced material and pharmaceutical research.
Key Physical and Chemical PropertiesThis liquid compound is noted for its colorless appearance, high refractive index (1.74), and melting point of 8C. It is practically insoluble in water, yet dissolves readily in various organic solvents. Diiodomethane's molecular formula, CH2I2, results in a substantial molecular weight, accounting for its effectiveness as a dense separation medium. Its purity range of 98-99% ensures consistent performance in demanding scientific and industrial tasks.
FAQ's of Diiodomethane (75-11-6) (CH2I2):
Q: How is diiodomethane typically used in organic synthesis?
A: Diiodomethane is primarily used in organic synthesis as a methylene-transfer reagent, particularly in the Simmons-Smith reaction. This process enables the formation of cyclopropane rings, which are valuable intermediates in pharmaceuticals and advanced materials.
Q: What advantages does diiodomethane offer for mineral separation processes?
A: Thanks to its high density, diiodomethane serves as a heavy liquid that effectively separates minerals based on their specific gravity. This allows for precise and efficient separation during geological and mineralogical analyses.
Q: When should diiodomethane be chosen as an immersion liquid in gemology?
A: Diiodomethane is chosen as an immersion liquid when a high refractive index and density are required to examine gemstones. Its optical clarity enhances the visibility of internal characteristics, aiding in the accurate identification of gemstones.
Q: Where can diiodomethane be sourced for industrial use?
A: Diiodomethane is readily available from specialized chemical manufacturers and suppliers in India, who can provide the compound in various quantities and purities suited for industrial applications.
Q: What solvents is diiodomethane soluble in and what benefits does this confer?
A: Diiodomethane is practically insoluble in water but is soluble in most organic solvents. This solubility profile enables its convenient use in organic synthesis and industrial processes requiring organic-based systems.
Q: How does the purity of diiodomethane affect its performance in applications?
A: A high purity level of 98-99% ensures that diiodomethane delivers consistent results in chemical reactions and separation techniques, minimizing the risk of impurities interfering with critical processes.