Description

1,4-Diiodobutane is a versatile organic building block featuring two reactive iodine termini on a linear butane chain. This compound is valued for its role as a key intermediate in organic synthesis, enabling the construction of larger, more complex molecules through alkylation and cross-coupling reactions. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for creating novel compounds and functional materials.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating cyclic compounds or introducing butylene linkers.
• Agrochemical Synthesis: Serves as a precursor for herbicides, fungicides, and plant growth regulators requiring specific alkyl chain modifications.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the production of specialty polymers, liquid crystals, and organic semiconductors.
• Organic Synthesis Reagent: A crucial reagent for nucleophilic substitution reactions and in the preparation of other organoiodine compounds.
• Ligand & Catalyst Preparation: Utilized to synthesize chelating ligands or modify catalyst structures in coordination chemistry.
• Chemical Research: Employed in academic and industrial R&D for method development and exploring new synthetic pathways.

Basic Information

Product Name	1,4-Diiodobutane
CAS No.	628-21-7
Molecular Formula	C4H8I2
Molecular Weight	309.91 g/mol
Synonyms	Butane-1,4-diyl diiodide; Tetramethylene diiodide; 1,4-Diiodobutane; 1,4-Butylene diiodide; DIH; Tetramethylene iodide; Butane, 1,4-diiodo-
EINECS	211-027-8

Quality Control

Our 1,4-Diiodobutane is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and identification by FT-IR, to ensure it meets the high-purity standards required for sensitive synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber glass or otherwise opaque.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Density (at 20°C)	~2.35 g/cm³
Boiling Point	~120-125°C (at 10 mmHg)

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