Description

4-Isopropylphenyl Isocyanate is a versatile aromatic isocyanate monomer essential for synthesizing high-performance polymers and specialty chemicals. Its reactive isocyanate group enables the formation of urethane, urea, and amide linkages, making it a critical building block for advanced materials. This compound is particularly valuable for manufacturers in the agrochemical, pharmaceutical, and polymer industries seeking to develop products with tailored properties.

Application

• Agrochemical Intermediates: A key precursor in the synthesis of advanced herbicides, fungicides, and insecticides, where it contributes to the active ingredient's efficacy and stability.
• Pharmaceutical Synthesis: Used as a building block for creating active pharmaceutical ingredients (APIs) and drug candidates, particularly in molecules requiring a substituted phenyl isocyanate moiety.
• Polymer & Resin Production: Serves as a monomer for producing specialized polyurethanes, polyureas, and other polymers, imparting specific mechanical and chemical resistance properties.
• Crosslinking Agent: Functions as an effective crosslinker in coatings, adhesives, and elastomers to enhance durability, hardness, and chemical resistance.
• Chemical Research & Development: Employed in organic synthesis for introducing the isocyanate functional group into complex molecular architectures in R&D laboratories.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of certain high-performance dyes and organic pigments.

Basic Information

Product Name	4-Isopropylphenyl Isocyanate
CAS No.	31027-31-3
Molecular Formula	C10H11NO
Molecular Weight	161.20 g/mol
Synonyms	p-Isopropylphenyl Isocyanate; 1-Isocyanato-4-isopropylbenzene; 4-(1-Methylethyl)phenyl Isocyanate; Isocyanic Acid, 4-Isopropylphenyl Ester; p-Cumenyl Isocyanate; 4-Isopropylbenzenisocyanate; (4-Isopropylphenyl)carbimide
EINECS	Contact for details

Quality Control

Our 4-Isopropylphenyl Isocyanate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and IR spectroscopy to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Color (APHA)	≤ 50
Water Content (Karl Fischer)	≤ 0.1%
Density (at 20°C)	~1.05 g/cm³

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