Description

4-Hydroxymethylbenzocyclobutene (CAS NO 53076-11-2) is a high-value, multifunctional chemical building block characterized by its strained benzocyclobutene core and reactive hydroxymethyl group. This unique structure makes it a critical intermediate for synthesizing advanced materials and complex organic molecules where precise molecular architecture is required. It is primarily sought after by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications in drug discovery, ligand synthesis, and the creation of novel polymeric networks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing complex, strained-ring systems.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its reactive sites for creating targeted bioactive molecules.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for producing high-performance polymers, resins, and advanced materials with tailored thermal and mechanical properties.
• Ligand & Catalyst Development: Employed in organometallic chemistry to create sophisticated ligands for asymmetric catalysis and transition metal complexes.
• Organic Synthesis Building Block: Utilized in academic and industrial research for Diels-Alder reactions and other cycloadditions to construct complex polycyclic frameworks.
• Electronic Chemicals: Investigated for use in the synthesis of organic semiconductors and photoactive materials for optoelectronic devices.

Basic Information

Product Name	4-Hydroxymethylbenzocyclobutene
CAS No.	53076-11-2
Molecular Formula	C9H10O
Molecular Weight	134.18 g/mol
Synonyms	4-(Hydroxymethyl)benzocyclobutene; BCB-OH; Benzocyclobutene-4-methanol; 4-BCB-methanol; 1,2-Dihydro-4-(hydroxymethyl)benzocyclobutene; 4-Hydroxymethyl-1,2-dihydrobenzocyclobutene; (Benzocyclobuten-4-yl)methanol
EINECS	Contact for details

Quality Control

Our 4-Hydroxymethylbenzocyclobutene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be kept in opaque or amber packaging.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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