Description

1,1-Dichloro-2,2,3,3-tetramethylcyclopropane is a specialized halogenated cyclopropane derivative, valued for its unique sterically hindered structure which serves as a versatile building block in advanced organic synthesis. This compound is particularly significant for the development of novel materials and active pharmaceutical ingredients (APIs) where its rigid, multi-substituted framework is essential. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of complex drug molecules, especially those requiring constrained, three-dimensional architectures.
• Agrochemical Synthesis: Used as a building block for creating novel pesticides and herbicides with enhanced stability and activity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored thermal and mechanical properties.
• Organic Synthesis Reagent: Employed in cyclopropanation reactions and as a scaffold for introducing dichloromethyl and tetramethyl groups into target molecules.
• Ligand and Catalyst Development: Utilized in the preparation of sterically demanding ligands for asymmetric catalysis and metal-organic frameworks (MOFs).
• Flavor & Fragrance Industry: Potential intermediate for synthesizing unique musk or amber odorants due to its polyalkylated cyclopropane core.

Basic Information

Product Name	1,1-Dichloro-2,2,3,3-tetramethylcyclopropane
CAS No.	3141-45-5
Molecular Formula	C7H12Cl2
Molecular Weight	167.07 g/mol
Synonyms	1,1-Dichloro-2,2,3,3-tetramethylcyclopropane; Tetramethyl-1,1-dichlorocyclopropane; Cyclopropane, 1,1-dichloro-2,2,3,3-tetramethyl-; 1,1-Dichlorotetramethylcyclopropane; NSC 163082; 2,2,3,3-Tetramethyl-1,1-dichlorocyclopropane
EINECS	221-549-6

Quality Control

Our 1,1-Dichloro-2,2,3,3-tetramethylcyclopropane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 2°C and 25°C. Keep container tightly sealed when not in use to prevent moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	1.08 - 1.12 g/mL
Refractive Index (n20/D)	1.470 - 1.474

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