Description

Benzonitrile, 2-Ethenyl-4-Hydroxy- (9Ci) CAS NO 219838-61-6 is a specialized aromatic nitrile derivative featuring both a hydroxyl and an ethenyl (vinyl) functional group on the benzene ring. This unique molecular structure makes it a valuable high-purity intermediate for advanced organic synthesis, particularly in the development of complex molecules. It is primarily sought after by pharmaceutical research and fine chemical industries for constructing active pharmaceutical ingredients (APIs) and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for creating specialized monomers and polymers used in display technologies.
• Polymer & Resin Modification: The vinyl group allows for copolymerization, enabling the modification of polymer properties for specialty coatings and adhesives.
• Organic Synthesis & Catalysis Research: Employed in academic and industrial R&D for developing new synthetic methodologies and catalytic processes.
• Dye & Pigment Intermediate: Used in the production of complex colorants and functional dyes.

Basic Information

Product Name	Benzonitrile, 2-Ethenyl-4-Hydroxy- (9Ci)
CAS No.	219838-61-6
Molecular Formula	C9H7NO
Molecular Weight	145.16 g/mol
Synonyms	2-Vinyl-4-hydroxybenzonitrile; 4-Hydroxy-2-vinylbenzonitrile; 2-Ethenyl-4-hydroxybenzonitrile; 4-Cyano-3-vinylphenol; 2-Vinyl-4-cyanophenol; Benzonitrile, 4-hydroxy-2-ethenyl-; (2-Vinyl-4-hydroxyphenyl) cyanide
EINECS	Contact for details

Quality Control

Our production of Benzonitrile, 2-Ethenyl-4-Hydroxy- (9Ci) adheres to a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets exacting research and commercial-grade specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
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.