Description

2-Butanone, 1,1-Dichloro-3-Methyl- is a specialized chlorinated ketone derivative, a high-value intermediate for advanced organic synthesis. This compound matters for its unique molecular structure, which provides reactive sites for constructing complex molecules in fine chemical and pharmaceutical manufacturing. It is needed by R&D chemists and process engineers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides requiring specific chlorinated ketone motifs.
• Organic Synthesis Reagent: Acts as an electrophile or precursor in complex organic reactions, including Grignard additions and nucleophilic substitutions.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, and other functional organic materials.
• Chemical Intermediate for Dyes & Pigments: Provides a reactive backbone for synthesizing complex colorants and photostable dyes.

Basic Information

Product Name	2-Butanone, 1,1-Dichloro-3-Methyl-
CAS No.	39140-45-9
Molecular Formula	C5H8Cl2O
Molecular Weight	155.02 g/mol
Synonyms	1,1-Dichloro-3-methylbutan-2-one; 3-Methyl-1,1-dichloro-2-butanone; 1,1-Dichloro-3-methyl-2-butanone; 2-Butanone, 1,1-dichloro-3-methyl-; 3-Methylbutan-2-one, 1,1-dichloro-; 39140-45-9 (CAS)
EINECS	Contact for details

Quality Control

Our 2-Butanone, 1,1-Dichloro-3-Methyl- is produced under strict quality management systems to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. Each lot undergoes comprehensive analytical testing, including assay by GC/HPLC and impurity profiling. Certificates of Analysis (COA) documenting identity, purity, and all relevant specifications are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong bases and incompatible materials. Containers should be kept tightly sealed when not in use to prevent moisture ingress and volatilization.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	~1.18 g/cm³

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