Description

3-Butenyl Iodide is a versatile organoiodine compound, specifically a primary alkyl iodide with an unsaturated butenyl chain. This structure makes it a valuable alkylating agent and a key synthetic building block in advanced organic chemistry. It is primarily used by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing the butenyl moiety via alkylation or cross-coupling reactions.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators that require specific carbon chain extensions.
• Material Science Precursor: Serves as a monomer or functionalization agent in the development of specialty polymers and advanced organic materials.
• Organic Synthesis Building Block: Employed in palladium-catalyzed cross-couplings (e.g., Heck, Negishi, Suzuki reactions) and nucleophilic substitution reactions to form new carbon-carbon bonds.
• Ligand and Catalyst Development: Used to synthesize novel phosphine or N-heterocyclic carbene ligands containing the butenyl group for catalytic applications.
• Research & Development: A standard reagent in academic and industrial R&D laboratories for methodological studies and exploring new synthetic pathways.

Basic Information

Product Name	3-Butenyl Iodide
CAS No.	7766-51-0
Molecular Formula	C4H7I
Molecular Weight	182.00 g/mol
Synonyms	4-Iodo-1-butene; But-3-en-1-yl iodide; 1-Butene-4-yl iodide; 3-Buten-1-yl iodide; Allylmethyl iodide; (3-Butenyl)iodide; Homoallyl iodide
EINECS	231-848-5

Quality Control

Our 3-Butenyl Iodide is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including GC, NMR, and titration, to ensure high chemical purity and consistent performance. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 aligned practices for traceability and quality assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature and potential for decomposition, it is recommended to store under an inert atmosphere for long-term stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Density (at 20°C)	1.80 - 1.85 g/mL
Refractive Index (n20/D)	1.520 - 1.530
Related Substances (GC)	Total impurities ≤ 3.0%

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