Description

2-Butanone, 3-Cyclopropylidene- (9Ci) is a specialized organic compound featuring a cyclopropylidene group attached to a butanone backbone. This unique structure makes it a valuable intermediate in advanced organic synthesis, particularly for constructing complex molecular frameworks. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and fine chemicals. The compound, identified by CAS number 65234-89-1, is supplied to meet the stringent purity requirements of modern chemical manufacturing.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those requiring cyclopropane ring systems for bioactivity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where its structure contributes to specific biological activity.
• Fine Chemical Production: Serves as a versatile precursor in the manufacture of complex flavors, fragrances, and other specialty chemicals.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of novel polymers with specific thermal or mechanical properties.
• Academic & Industrial R&D: Employed in methodological development and exploratory chemistry for creating new carbon-carbon bonds and ring systems.

Basic Information

Product Name	2-Butanone, 3-Cyclopropylidene- (9Ci)
CAS No.	65234-89-1
Molecular Formula	C7H10O
Molecular Weight	110.15 g/mol
Synonyms	3-Cyclopropylidene-2-butanone; 3-Cyclopropylidenebutan-2-one; Butan-2-one, 3-cyclopropylidene-; 2-Butanone, 3-cyclopropylidene-; Cyclopropylideneacetone; 1-Cyclopropylidene-2-propanone; (Cyclopropylmethylene)acetone
EINECS	Contact for details

Quality Control

Every batch of 2-Butanone, 3-Cyclopropylidene- is produced and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for research and synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment. Our quality protocols are designed to support cGMP and ISO compliant workflows for our global clientele.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flames. Ensure containers are kept upright and properly sealed when not in use to prevent evaporation and maintain purity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Evaporation	≤ 0.1%

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