Description

[Methylenebis(p-Phenylene)]Diisocyanide is a specialized aromatic diisocyanide compound, a key building block in advanced organic synthesis. Its primary value lies in its dual isocyanide functional groups, which serve as versatile ligands in organometallic chemistry and as reactive intermediates for constructing complex heterocyclic and polymeric architectures. This high-purity intermediate is essential for researchers and manufacturers in pharmaceutical development, materials science, and the synthesis of novel catalysts and coordination polymers.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug molecules and bioactive compounds.
• Organometallic Catalyst Ligand: Used as a bidentate ligand for transition metals (e.g., palladium, platinum) in cross-coupling and other catalytic reactions.
• Polymer & Material Science: A monomer for the development of specialty polyisocyanides and functional polymers with unique electronic or mechanical properties.
• Coordination Chemistry: Building block for constructing metal-organic frameworks (MOFs) and discrete supramolecular complexes.
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new synthetic methodologies.

Basic Information

Product Name	[Methylenebis(p-Phenylene)]Diisocyanide
CAS No.	956-62-7
Molecular Formula	C15H10N2
Molecular Weight	218.26 g/mol
Synonyms	4,4'-Methylenebis(phenyl isocyanide); Bis(4-isocyanophenyl)methane; DNC; 1,1'-Methylenebis(4-isocyanobenzene); 4,4'-Diisocyanodiphenylmethane (isocyanide isomer); p,p'-Diisocyanodiphenylmethane; MDI (isocyanide analog); 4,4'-Methylenediphenyl diisocyanide
EINECS	Contact for details

Quality Control

Our [Methylenebis(p-Phenylene)]Diisocyanide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided, confirming identity, purity, and impurity profiles. We support cGMP and ISO compliant production for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is light-sensitive and should be handled under an inert atmosphere when appropriate to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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