Description

4-Penten-2-One, 1,1-Dichloro-4-Methyl- is a specialized halogenated ketone building block used in advanced organic synthesis. This compound is valued for its reactive dichloromethyl and α,β-unsaturated ketone functionalities, enabling complex molecular construction. It serves as a critical intermediate for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where precise chemical architecture is required.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides.
• Organic Synthesis Reagent: Serves as a versatile electrophile and Michael acceptor in C-C bond-forming reactions and cyclization processes.
• Material Science Research: Employed in the development of novel polymers and functional organic materials.
• Chemical Research & Development: A valuable tool for medicinal chemistry and process chemistry in R&D laboratories.

Basic Information

Product Name	4-Penten-2-One, 1,1-Dichloro-4-Methyl-
CAS No.	95240-78-1
Molecular Formula	C6H8Cl2O
Molecular Weight	167.03 g/mol
Synonyms	1,1-Dichloro-4-methyl-4-penten-2-one; 4-Methyl-1,1-dichloro-4-penten-2-one; 1,1-Dichloro-4-methylpent-4-en-2-one; 4-Penten-2-one, 1,1-dichloro-4-methyl-; Dichloromethyl 4-methylpent-4-en-2-one; 4-Methyl-4-penten-2-one, 1,1-dichloro derivative
EINECS	Contact for details

Quality Control

Our 4-Penten-2-One, 1,1-Dichloro-4-Methyl- is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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, bases, and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.20 g/cm³

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