Description

2-(tert-Butyl)Phenyl Isocyanate is a specialized aromatic isocyanate monomer used as a key building block in advanced organic synthesis. This compound matters for its role in introducing the sterically hindered 2-tert-butylphenyl group, which can impart unique properties like increased stability or altered reactivity in final products. It is primarily needed by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty polymer industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediates: Synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring sterically hindered aromatic moieties.
• Agrochemical Synthesis: Production of herbicides, fungicides, and pesticides where the tert-butyl group enhances biological activity and environmental stability.
• Polymer Modification: Acting as a functional monomer or cross-linking agent in the production of polyurethanes, polyureas, and other specialty polymers to modify thermal and mechanical properties.
• Chemical Research: A versatile reagent in organic chemistry for the preparation of ureas, carbamates, and amides via reactions with amines and alcohols.
• Material Science: Development of advanced coatings, adhesives, and elastomers with tailored performance characteristics.
• Ligand and Catalyst Development: Building block for synthesizing novel ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	2-(tert-Butyl)Phenyl Isocyanate
CAS No.	56309-60-5
Molecular Formula	C11H13NO
Molecular Weight	175.23 g/mol
Synonyms	2-tert-Butylphenyl isocyanate; 1-Isocyanato-2-tert-butylbenzene; o-tert-Butylphenyl isocyanate; 2-(1,1-Dimethylethyl)phenyl isocyanate; 2-tert-Butylphenyl isocyanate; (2-tert-Butylphenyl) isocyanate; 2-(tert-Butyl)phenyl isocyanate; 2-(tert-Butyl)benzene isocyanate
EINECS	Contact for details

Quality Control

Our 2-(tert-Butyl)Phenyl Isocyanate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopic methods, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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) and should be handled under a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from strong bases and incompatible materials such as amines, alcohols, and water.

Specification

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