Description

Diphenylmethyl Isocyanate 98 is a versatile aromatic isocyanate monomer characterized by its two phenyl groups attached to the methylene isocyanate structure. This compound is a critical building block in the synthesis of advanced polymers and specialty chemicals, offering enhanced thermal stability and specific reactivity profiles. It is primarily utilized by R&D laboratories and industrial manufacturers in the agrochemical, pharmaceutical, and high-performance materials sectors for creating ureas, carbamates, and polyurethane derivatives.

Application

• Agrochemical Intermediates: Key precursor in the synthesis of herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used as a reagent for introducing the diphenylmethyl (benzhydryl) moiety, which can enhance the lipophilicity and metabolic stability of active pharmaceutical ingredients (APIs).
• Polymer & Resin Modification: Serves as a cross-linking agent or chain extender in specialty polyurethanes, coatings, and adhesives to improve mechanical and chemical resistance.
• Chemical Research & Development: Valuable building block for organic synthesis, particularly in the preparation of ureas and carbamates for material science studies.
• Dye & Pigment Manufacturing: Employed in the production of specialized colorants and photographic chemicals.

Basic Information

Product Name	Diphenylmethyl Isocyanate 98
CAS No.	3066-44-2
Molecular Formula	C14H11NO
Molecular Weight	209.24 g/mol
Synonyms	Benzhydryl isocyanate; (Diphenylmethyl)isocyanate; α-Isocyanatodiphenylmethane; NSC 403119; Benzhydrylisocyanat; Diphenylmethane isocyanate
EINECS	221-304-8

Quality Control

Our Diphenylmethyl Isocyanate 98 is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography and titration methods, to ensure it meets the declared 98% minimum purity and consistent performance specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation from moisture ingress.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Water Content (KF)	≤ 0.1 %

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