1,4-Diiodobutane
1,4-Diiodobutane (CAS 628-21-7), with the molecular formula I(CH2)4I and a molecular weight of 309.92 g/mol, is a valuable organic building block. This diiodinated alkane serves as a crucial intermediate in various chemical syntheses, particularly for introducing a four-carbon chain into organic molecules. Its reactivity makes it suitable for cyclisation reactions and the formation of heterocyclic compounds.
- IUPAC
- Tetramethylene diiodide
- Synonyms
- Tetramethylene diiodide1,4-Diiodobutane
Organic Synthesis Intermediate
1,4-Diiodobutane is a versatile reagent for creating carbon-carbon bonds and constructing cyclic structures. It is employed in the synthesis of pharmaceuticals and fine chemicals where a linear four-carbon linker is required.
Heterocyclic Chemistry
This compound is useful in the formation of various heterocyclic rings, including those found in biologically active molecules. Its two iodine atoms allow for facile displacement in cyclisation reactions.
Material Science Precursor
It can act as a monomer or cross-linking agent in the synthesis of specialised polymers and materials, contributing specific properties due to the butane chain.
| Molecular weight | 309.92 |
|---|---|
| Linear formula | I(CH2)4I |
| Assay | ≥99% |
| Boiling point | 147-152 °C/26 mmHg(lit.) |
| Density | 2.35 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.621(lit.) |
| Contains / stabiliser | copper as stabilizer |
| Melting point | 6 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,4-Diiodobutane used for?
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1,4-Diiodobutane is primarily used as a reagent in organic synthesis, especially for constructing cyclic compounds and introducing a four-carbon chain. It finds applications in the synthesis of pharmaceuticals, fine chemicals, and materials.
What is the CAS number and formula for 1,4-Diiodobutane?
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The CAS number for 1,4-Diiodobutane is 628-21-7, and its linear formula is I(CH2)4I.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,4-Diiodobutane with an assay of ≥99%. This is a technical/research grade material, and TSS does not represent it as USP, BP, or EP.
How should 1,4-Diiodobutane be handled safely?
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1,4-Diiodobutane is classified with Warning signal word and hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields, gloves, and respiratory protection, must be used. Ensure adequate ventilation.
Is 1,4-Diiodobutane a controlled substance?
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The provided data does not indicate that 1,4-Diiodobutane is a controlled substance.
How is 1,4-Diiodobutane packed, shipped, and exported?
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1,4-Diiodobutane is packed in accordance with industry standards for chemical reagents, ensuring safe transit. Tech Serve Solutions is experienced in exporting chemicals globally.
How can I request a sample or quote for 1,4-Diiodobutane?
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Please contact our sales team through the website or by phone to request a sample or a formal quotation for 1,4-Diiodobutane.
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