Description

4-Benzyloxyphenyl Isocyanate is a specialized aromatic isocyanate monomer, a key building block for synthesizing advanced polymers and fine chemicals. Its value lies in the unique reactivity of the isocyanate group and the protective benzyloxy moiety, enabling the creation of custom urethane and urea derivatives with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require a high-purity intermediate for developing novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with urea or carbamate linkages.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides where the phenyl isocyanate structure is incorporated into the final molecule.
• Polymer & Resin Modification: Acts as a reactive monomer for producing specialty polyurethanes, polyureas, and coatings with enhanced chemical resistance or specific functional properties.
• Cross-linking Agent: Employed in formulations for adhesives, sealants, and elastomers to introduce cross-links and improve mechanical strength and thermal stability.
• Chemical Research & Development: A valuable reagent in organic synthesis for constructing heterocycles and other complex molecular architectures via isocyanate chemistry.
• Surface Functionalization: Used to modify material surfaces by grafting isocyanate groups, which can then react with amines or alcohols to attach desired functionalities.

Basic Information

Item	Detail
Product Name	4-Benzyloxyphenyl Isocyanate
CAS No.	50528-73-9
Molecular Formula	C14H11NO2
Molecular Weight	225.24 g/mol
Synonyms	1-Isocyanato-4-(phenylmethoxy)benzene; p-Benzyloxyphenyl Isocyanate; 4-(Benzyloxy)phenyl Isocyanate; 4-(Phenylmethoxy)phenyl Isocyanate; NSC 403796; Benzyl 4-isocyanatophenyl ether; 4-Isocyanatophenyl benzyl ether
EINECS	Contact for details

Quality Control

Our 4-Benzyloxyphenyl Isocyanate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by HPLC, identification by FT-IR, and impurity profiling, to ensure high chemical purity and consistency. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation and polymerization. Keep away from heat, sparks, open flames, and incompatible materials such as alcohols, amines, and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
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.