Description

2-Hydroxystyrene is a versatile phenolic monomer with a reactive vinyl group, enabling its use in advanced polymer synthesis. This compound matters for its ability to impart specific chemical functionalities, such as adhesion, cross-linking potential, and chemical resistance, to resulting materials. Industries requiring specialty polymers, including advanced adhesives, photoresists, and functional coatings, are the primary users of this high-value intermediate.

Application

• Photoresist Polymers: A key monomer in the synthesis of polymers for advanced photoresists used in semiconductor and microelectronics manufacturing.
• Adhesive Formulations: Used to enhance the adhesion, cohesion, and thermal stability of high-performance industrial and structural adhesives.
• Functional Coatings: Incorporated into coating resins to improve chemical resistance, surface properties, and durability.
• Ion-Exchange Resins: Serves as a precursor in the production of specialty resins for water treatment and purification processes.
• Cross-linking Agent: Utilized to introduce cross-linking sites into polymer chains, improving mechanical strength and solvent resistance.
• Pharmaceutical Intermediates: Acts as a building block in the synthesis of certain active pharmaceutical ingredients (APIs) and fine chemicals.

Basic Information

Product Name	2-Hydroxystyrene
CAS No.	695-84-1
Molecular Formula	C8H8O
Molecular Weight	120.15 g/mol
Synonyms	o-Hydroxystyrene; 2-Vinylphenol; 1-Ethenyl-2-hydroxybenzene; 2-Ethenylphenol; Vinylphenol (o-isomer); Phenol, 2-ethenyl-; 2-Hydroxystyrene monomer; o-Vinylphenol
EINECS	211-793-7

Quality Control

Our 2-Hydroxystyrene is produced under a strict quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including identification, assay, and impurity profiling, to meet exacting customer requirements. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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). Due to its light-sensitive nature, containers should be kept in the original packaging or amber glass until use to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
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.