Description

Hydroxymethylstyrene is a versatile vinyl monomer featuring a reactive hydroxymethyl group attached to the styrene aromatic ring. This bifunctional structure is critical for introducing cross-linking sites and enhancing polymer properties such as adhesion, thermal stability, and chemical resistance. It is an essential intermediate for manufacturers in the polymer, coatings, and specialty chemical industries seeking to develop advanced materials with tailored performance characteristics.

Application

• Cross-linking Agent: Used in the production of thermosetting resins, including unsaturated polyesters, acrylics, and epoxy systems, to improve hardness and durability.
• Polymer Modification: Incorporated as a comonomer to introduce hydroxyl functionality into styrenic, acrylic, and vinyl polymers for improved adhesion and paintability.
• Adhesive Formulations: Serves as a key component in structural and pressure-sensitive adhesives to enhance bonding strength and environmental resistance.
• Coating Resins: Utilized in high-performance industrial, automotive, and marine coatings to boost cross-link density, gloss, and weatherability.
• Reactive Diluent: Acts as a low-viscosity, polymerizable solvent in radiation-curable (UV/EB) inks, coatings, and composites.
• Ion Exchange Resins: A precursor in the synthesis of functional polymers and chelating resins for water treatment and purification.
• Specialty Intermediates: Employed in organic synthesis to create advanced monomers, pharmaceuticals, and agrochemical intermediates.

Basic Information

Product Name	Hydroxymethylstyrene
CAS No.	30584-69-1
Molecular Formula	C9H10O
Molecular Weight	134.18 g/mol
Synonyms	4-Vinylbenzyl alcohol; p-Vinylbenzyl alcohol; 4-Ethenylbenzyl alcohol; (4-Vinylphenyl)methanol; HMS; Vinylbenzyl alcohol; p-Hydroxymethylstyrene; 4-(Hydroxymethyl)styrene
EINECS	250-248-5

Quality Control

Our Hydroxymethylstyrene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing key parameters such as assay, identity, and impurity profiles. We adhere to relevant industry standards and can support compliance requirements for global markets, including REACH.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is light-sensitive and easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term stability. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Color (APHA)	≤ 50

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