Description

Benzene,1,1'-Methylenebis[4-Iodo- is a specialized iodinated aromatic compound, serving as a valuable building block in advanced organic synthesis. Its molecular structure makes it a critical precursor for creating complex molecules, particularly in the development of pharmaceuticals and advanced materials. This high-purity intermediate is essential for research and production chemists in the pharmaceutical, agrochemical, and material science industries who require reliable, high-quality raw materials for complex coupling and functionalization reactions.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring iodinated aromatic cores.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides where specific halogenated structures are required for bioactivity.
• Liquid Crystal & OLED Material Production: Serves as a building block for creating iodinated organic compounds used in electronic displays and lighting.
• Polymer Modification: Employed to introduce iodine functional groups into polymer chains, altering physical properties for specialized applications.
• Cross-Coupling Reactions: An essential substrate in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Heck, Sonogashira) for constructing complex biaryl systems.
• Research & Development: A valuable reagent for academic and industrial R&D labs exploring new synthetic pathways and novel chemical entities.

Basic Information

Product Name	Benzene,1,1'-Methylenebis[4-Iodo-
CAS No.	23055-78-9
Molecular Formula	C13H10I2
Molecular Weight	435.93 g/mol
Synonyms	4,4'-Methylenediiodobenzene; Bis(4-iodophenyl)methane; 1,1'-Methylenebis(4-iodobenzene); DI(4-Iodophenyl)methane; 4-Iodophenylmethane, 4'-iodo-; [4-(Iodophenyl)methyl]iodobenzene; 4,4'-Diiododiphenylmethane
EINECS	Contact for details

Quality Control

Our Benzene,1,1'-Methylenebis[4-Iodo- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber glass or opaque to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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