Description

1-Chloro-4-Cyanato-Benzene is a versatile aromatic compound featuring both chloro and cyanato functional groups, making it a valuable intermediate in advanced organic synthesis. Its primary value lies in its dual reactivity, which allows for selective transformations to create complex molecules for high-value applications. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those requiring aryl ether or aniline derivatives.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the chlorophenyl moiety is required.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the development of high-performance polymers and resins.
• Liquid Crystal & OLED Materials: A crucial precursor for creating charge-transport materials and emissive layers in display technologies.
• Dye & Pigment Manufacturing: Intermediate for synthesizing complex organic colorants and photographic chemicals.
• Chemical Research & Development: A valuable reagent for exploring new reaction pathways and creating custom chemical libraries.

Basic Information

Product Name	1-Chloro-4-Cyanato-Benzene
CAS No.	1124-59-0
Molecular Formula	C7H4ClNO
Molecular Weight	153.56 g/mol
Synonyms	4-Chlorophenyl cyanate; p-Chlorophenyl cyanate; 4-Chlorophenol cyanate; 1-Chloro-4-isocyanatobenzene; Cyanato-4-chlorobenzene; (4-Chlorophenoxy)carbonitrile; NSC 403779; p-Cyanatochlorobenzene
EINECS	214-389-6

Quality Control

Our 1-Chloro-4-Cyanato-Benzene is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, documenting identity, assay, and impurity profiles to meet the stringent requirements of our global B2B clients in regulated industries.

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. The compound is moisture-sensitive; ensure containers are sealed under an inert atmosphere if specified for high-purity grades.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	45 - 48 °C
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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