Description

3,4-Dichloro-1,2,3,4-Tetramethylcyclobutene is a specialized chlorinated cyclobutene derivative that serves as a valuable synthetic intermediate in advanced organic chemistry. Its unique sterically hindered and halogenated structure makes it a critical building block for constructing complex molecular architectures. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical and agrochemical sectors for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates and complex bioactive molecules.
• Agrochemical Synthesis: Building block for developing new pesticides, herbicides, and plant growth regulators with unique modes of action.
• Material Science Research: Used in the development of specialty polymers, liquid crystals, and advanced organic electronic materials.
• Organic Synthesis Reagent: Serves as a dienophile in Diels-Alder reactions or as a substrate for further functionalization (e.g., cross-coupling, nucleophilic substitution) in academic and industrial R&D.
• Ligand and Catalyst Development: Precursor for synthesizing novel chelating ligands and organometallic catalysts.
• Chemical Reference Standard: Used for analytical method development, calibration, and quality control in chemical manufacturing.

Basic Information

Product Name	3,4-Dichloro-1,2,3,4-Tetramethylcyclobutene
CAS No.	1194-30-5
Molecular Formula	C8H12Cl2
Molecular Weight	179.09 g/mol
Synonyms	1,2,3,4-Tetramethyl-3,4-dichlorocyclobut-1-ene; 3,4-Dichloro-1,2,3,4-tetramethyl-1-cyclobutene; Tetramethyldichlorocyclobutene; 3,4-Dichlorotetramethylcyclobutene; Dichlorotetramethylcyclobutene
EINECS	214-791-6

Quality Control

Our 3,4-Dichloro-1,2,3,4-Tetramethylcyclobutene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chromatography (GC/HPLC) and spectroscopic methods (NMR, IR), to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong acids, bases, and oxidizing agents. Due to its reactivity as an organic solvent-compatible compound, ensure containers are kept tightly sealed to prevent moisture ingress and potential decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.15 g/cm³

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