Description

Diiodomethane (CAS NO 75-11-6) is a dense, volatile organoiodine compound primarily valued for its high refractive index and utility as a versatile chemical intermediate. Its unique properties make it a critical reagent in organic synthesis and a key component in specialized industrial formulations. This product is essential for manufacturers and research laboratories in the pharmaceutical, agrochemical, and advanced materials sectors seeking high-purity intermediates for complex chemical processes.

Application

• Organic Synthesis Intermediate: A crucial reagent for cyclopropanation reactions and the synthesis of complex organic molecules, including natural products and active pharmaceutical ingredients (APIs).
• Density Gradient Media: Used in laboratory separations and geological studies due to its high density, often in mixtures for mineral separation.
• Refractive Index Matching Fluid: Employed in microscopy and optical applications where a high refractive index liquid is required for sample analysis.
• Chemical Vapor Deposition (CVD) Precursor: Serves as an iodine source in the deposition of metal iodide thin films for electronic and optoelectronic devices.
• Agrochemical Synthesis: Used in the manufacturing of certain iodine-containing pesticides and herbicides.
• Research & Development: A valuable tool in academic and industrial R&D for exploring new synthetic pathways and material properties.

Basic Information

Product Name	Diiodomethane
CAS No.	75-11-6
Molecular Formula	CH2I2
Molecular Weight	267.84 g/mol
Synonyms	Methylene Iodide; Methylene Diiodide; Diiodomethane; Methyl Iodide (obsolete); Iodomethyl Iodide; CH2I2; Diiodomethane (IUPAC); Diiodomethane, 99%
EINECS	200-841-5

Quality Control

Our Diiodomethane is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with industrial and laboratory reagent standards, ensuring reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Due to its light-sensitive nature and potential for decomposition, containers should be kept sealed under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Clear, yellow to red liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (20°C)	3.30 - 3.35 g/mL
Refractive Index (n20/D)	1.740 - 1.745
Water Content (KF)	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.