Description

Bis(2,2,3,3-Tetramethyl-1-Cyclopropanecarboxylic)Anhydride is a specialized, high-purity cyclic anhydride used as a critical building block in advanced organic synthesis. Its unique sterically hindered cyclopropane structure makes it a valuable reagent for introducing the tetramethylcyclopropyl moiety, which can impart enhanced stability and specific steric properties to target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors developing novel active ingredients, as well as for specialty polymer chemists seeking to modify material properties.

Application

• Pharmaceutical Intermediates: Serves as a key precursor in the synthesis of novel drug candidates, particularly those requiring sterically hindered, lipophilic components.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where the tetramethylcyclopropyl group can influence biological activity and environmental persistence.
• Specialty Polymer Modifier: Acts as a monomer or cross-linking agent to introduce rigid, bulky side chains into polymer backbones, enhancing thermal stability and modifying mechanical properties.
• Ligand and Catalyst Development: Employed in the creation of sophisticated chiral ligands and organometallic catalysts for asymmetric synthesis.
• Material Science Research: Utilized in R&D for developing new organic electronic materials, liquid crystals, or advanced coatings.
• Fine Chemical Production: Functions as a high-value intermediate in the multi-step synthesis of complex fragrance and flavor compounds.

Basic Information

Item	Detail
Product Name	Bis(2,2,3,3-Tetramethyl-1-Cyclopropanecarboxylic)Anhydride
CAS No.	34909-60-9
Molecular Formula	C18H26O3
Molecular Weight	290.40 g/mol
Synonyms	2,2,3,3-Tetramethylcyclopropanecarboxylic Anhydride; Di(2,2,3,3-tetramethylcyclopropane-1-carbonyl) Oxide; Tetramethylcyclopropanecarboxylic Acid Anhydride; 1,1'-(Oxydicarbonyl)bis(2,2,3,3-tetramethylcyclopropane); Bis(tetramethylcyclopropanecarbonyl) Anhydride
EINECS	Contact for details

Quality Control

Our Bis(2,2,3,3-Tetramethyl-1-Cyclopropanecarboxylic)Anhydride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity confirmation. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee traceability and compliance with your research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to prevent moisture absorption, which can lead to hydrolysis. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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