Description

1-Chloro-3-Methyl-1-Butene is a versatile halogenated olefin building block with a reactive allylic chloride moiety. This compound is valued for its role as a key intermediate in the synthesis of more complex molecules, particularly in fine chemical and pharmaceutical manufacturing. It is essential for researchers and industrial chemists in the agrochemical, fragrance, and specialty polymer sectors who require a high-purity, reactive starting material for alkylation and cross-coupling reactions.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and other fine chemicals.
• Agrochemical Synthesis: Used in the production of pesticides, herbicides, and other crop protection agents.
• Fragrance and Flavor Chemistry: Acts as a precursor for the synthesis of specific terpene-based aroma compounds.
• Specialty Polymer Monomer: Employed in the development of specialty polymers and resins with unique properties.
• Organic Synthesis Reagent: Utilized in various organic transformations, including alkylation and as a substrate for cross-coupling reactions (e.g., Heck, Suzuki).
• Chemical Research & Development: A valuable reagent for academic and industrial R&D laboratories exploring new synthetic pathways.

Basic Information

Product Name	1-Chloro-3-Methyl-1-Butene
CAS No.	23010-00-6
Molecular Formula	C5H9Cl
Molecular Weight	104.58 g/mol
Synonyms	3-Methyl-1-butenyl chloride; 3-Methylbut-1-en-1-yl chloride; 1-Butene, 1-chloro-3-methyl-; 1-Chloro-3-methylbut-1-ene; (3-Methyl-1-butenyl)chloride; Prenyl chloride; γ,γ-Dimethylallyl chloride
EINECS	Contact for details

Quality Control

Our 1-Chloro-3-Methyl-1-Butene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including GC and NMR analysis, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee compliance with your specific research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Density (at 20°C)	0.90 - 0.92 g/mL
Refractive Index (n20D)	1.425 - 1.435

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