Description

5-Phenyl-2-Thienyl Isocyanate is a specialized aromatic isocyanate monomer featuring a phenyl-substituted thiophene core. This compound matters as a critical building block for synthesizing advanced polymers and functional materials, offering unique reactivity and structural properties. It is primarily needed by R&D chemists and manufacturers in the agrochemical, pharmaceutical, and high-performance polymer industries for creating novel ureas, carbamates, and polyurethane derivatives.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring a thienyl-urea scaffold.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides, where the isocyanate group enables the formation of bioactive urea linkages.
• Polymer & Material Science: Serves as a monomer for producing specialized polyurethanes, polyureas, and coatings with enhanced thermal stability and chemical resistance.
• Chemical Research & Development: A valuable reagent for organic synthesis, facilitating the introduction of the phenyl-thienyl moiety into complex molecules via carbamoylation reactions.
• Liquid Crystal & OLED Materials: Potential building block for electronic and optoelectronic materials due to its conjugated aromatic structure.

Basic Information

Product Name	5-Phenyl-2-Thienyl Isocyanate
CAS No.	321309-34-6
Molecular Formula	C11H7NOS
Molecular Weight	201.24 g/mol
Synonyms	2-Isocyanato-5-phenylthiophene; 5-Phenylthiophene-2-isocyanate; 5-Phenyl-2-thienylisocyanate; 2-Thienyl, 5-phenyl-, isocyanate; 5-Phenylthien-2-yl isocyanate; Isocyanic acid, 5-phenyl-2-thienyl ester
EINECS	Contact for details

Quality Control

Our 5-Phenyl-2-Thienyl Isocyanate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets exacting standards for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation by moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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