Description

3,3-Dichloro-2-Methyl-1-Propene is a versatile halogenated organic intermediate with a reactive allylic chloride structure. This compound matters for its role as a key building block in the synthesis of more complex molecules, particularly in agrochemical and pharmaceutical research. Industries that need it include fine chemical manufacturers, agrochemical formulators, and research institutions developing novel active ingredients.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of advanced pesticides, herbicides, and fungicides.
• Pharmaceutical Synthesis: Used as a versatile alkylating agent and building block for active pharmaceutical ingredients (APIs).
• Fine Chemical Production: Serves as a starting material for specialty chemicals, including flavors, fragrances, and performance materials.
• Polymer Modification: Can be utilized to introduce functional groups into polymer chains for enhanced properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for constructing complex organic frameworks.
• Cross-Coupling Reactions: Acts as an electrophile in various metal-catalyzed coupling reactions to form carbon-carbon bonds.

Basic Information

Product Name	3,3-Dichloro-2-Methyl-1-Propene
CAS No.	22227-75-4
Molecular Formula	C4H6Cl2
Molecular Weight	124.99 g/mol
Synonyms	2-Methyl-3,3-dichloropropene; 3,3-Dichloro-2-methylpropene; 1-Propene, 3,3-dichloro-2-methyl-; Dichloromethylbutene; NSC 163045; 2-Methylallylidene chloride; β,β-Dichloroisobutylene
EINECS	244-849-9

Quality Control

Our 3,3-Dichloro-2-Methyl-1-Propene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including GC and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all relevant specifications. We adhere to cGMP principles where applicable to support our customers in regulated industries.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat sources and incompatible materials such as strong acids, bases, and oxidizing agents. Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use. Recommended storage temperature is 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	1.18 - 1.22 g/mL
Refractive Index (n20D)	1.470 - 1.474

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