Description

4-Ethoxyphenyl Isocyanate is a versatile aromatic isocyanate monomer essential for introducing the 4-ethoxyphenyl moiety into advanced chemical structures. This compound matters for its role as a key building block in the synthesis of high-performance polymers and specialized fine chemicals, offering a balance of reactivity and stability. It is primarily needed by manufacturers in the agrochemical, pharmaceutical, and specialty polymer industries for creating ureas, carbamates, and other functional derivatives.

Application

• Agrochemical Intermediates: Synthesis of herbicides, fungicides, and plant growth regulators featuring the phenoxy group.
• Pharmaceutical Building Blocks: Key precursor in the development of active pharmaceutical ingredients (APIs) and drug candidates, particularly for urea-based compounds.
• Polymer Modification: Used as a cross-linking agent or chain extender in polyurethane and polyurea systems to enhance material properties.
• Specialty Chemical Synthesis: Production of dyes, pigments, and photographic chemicals where the ethoxy phenyl group imparts specific solubility or color characteristics.
• Surface Coating Agents: Component in the formulation of advanced coatings and adhesives requiring specific chemical resistance and durability.
• Research & Development: Valuable reagent in organic synthesis laboratories for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	4-Ethoxyphenyl Isocyanate
CAS No.	32459-62-4
Molecular Formula	C9H9NO2
Molecular Weight	163.17 g/mol
Synonyms	p-Ethoxyphenyl Isocyanate; 1-Ethoxy-4-isocyanatobenzene; 4-Isocyanato-1-ethoxybenzene; Isocyanic Acid, 4-Ethoxyphenyl Ester; NSC 406106; 4-Ethoxybenzenisocyanate; 4-Ethoxyphenylisocyanate
EINECS	Contact for details

Quality Control

Our 4-Ethoxyphenyl Isocyanate is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request 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 room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent degradation. Keep away from heat, open flames, and incompatible materials such as strong bases, alcohols, and amines.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Density (at 20°C)	~1.12 g/cm³
Refractive Index (n20/D)	~1.540 - 1.545

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