Ethane-1,2-diyl Bis(2-iodo-2-methylpropanoate), supplied under catalog code TCI E1648, is a bifunctional polymerization reagent designed for controlled polymer chemistry. Its molecule consists of two 2-iodo-2-methylpropanoate groups bridged by an ethylene glycol unit, so that every molecule carries two initiating sites at once. In the laboratory, this compound acts as an initiator that releases radicals in a controlled manner while supplying iodine atoms as reversible transfer groups. That role makes it an essential tool for researchers who want to design polymer chains of predictable length rather than the random polymers obtained from conventional free-radical polymerization.
The characteristics that lead researchers to select this reagent are its bifunctional nature together with the relative ease with which the carbon–iodine bond undergoes homolytic cleavage. That combination allows chain growth to proceed in two directions simultaneously, so a researcher can assemble symmetrical block copolymers such as ABA architectures within a single reaction vessel. The quaternary group adjacent to the iodine atom provides tertiary radical stabilization that helps keep initiation uniform across the reaction mixture. This property is what allows the resulting chain-length distribution to remain narrow, giving the polymer product more consistent and reproducible behavior between batches.
In Indonesian laboratories, this reagent is typically found in university polymer research groups, materials science laboratories, and institutional research centers working on controlled radical polymerization. It is generally used at small scale for method development and for synthesizing well-defined macromolecular samples intended for characterization. Because it is a specialty research chemical rather than a bulk commodity, it is usually ordered in modest quantities and handled within a dedicated synthesis area alongside other moisture- and light-sensitive organic reagents.
- Controlled radical polymerization studies, where the reagent supplies iodine atoms as reversible transfer groups so that chain growth can be regulated rather than left to random termination events.
- Synthesis of symmetrical ABA block copolymers, since the two initiating sites on a single molecule allow chains to grow outward in both directions within one reaction vessel.
- Preparation of telechelic polymers, because each chain end retains functionality derived from the bifunctional initiator and can be carried forward into subsequent modification or coupling chemistry.
- Investigation of chain-length distribution and molecular weight control, as uniform initiation from tertiary radical-stabilized sites helps researchers obtain narrow distributions suitable for comparative characterization.
- Macromolecular design and methodology development, where researchers evaluate initiator performance and reaction conditions before scaling a controlled polymerization protocol to more complex monomer systems.
| Brand | TCI (Tokyo Chemical Industry) |
|---|---|
| CAS number | 1612760-45-8 |
| Molecular formula | — |
| Purity | — |
| Category | Materials Science > Polymer/Macromolecule Reagents > Polymerization Reagents |
| Pack sizes | available in research-scale pack sizes; please confirm the currently available packaging when ordering |
| Physical form | — |
| Storage | store according to the conditions stated on the manufacturer's label and safety data sheet |
- Chemical Name: Ethane-1,2-diyl Bis(2-iodo-2-methylpropanoate)
- Catalog Code: E1648
Store this reagent in a cool, dry place away from direct sunlight, following the storage conditions stated on the manufacturer's label and safety data sheet. As an organoiodine compound, it should be kept in its original tightly closed container, protected from light and moisture, and separated from strong oxidizing agents and sources of heat or ignition. Handle it inside a fume hood while wearing safety goggles, chemical-resistant gloves, and a laboratory coat. Avoid inhalation of vapors and direct contact with skin or eyes. Return the container to designated chemical storage promptly after use, keep the label legible, and dispose of residues and contaminated materials through the laboratory's chemical waste procedures rather than the general drain.
—
Produk Terkait
-
BenzylOctanoate TCI B6116
Regular price Rp 1.712.550,00Regular price -
Sold outtert-Butyl4-Bromobutanoate TCI B6167
Regular price Rp 2.716.350,00Regular price -
Ethyl8-Bromooctanoate TCI B6430
Regular price From Rp 1.034.250,00Regular price -
Barium(II)Trifluoroacetate TCI B6582
Regular price From Rp 2.303.700,00Regular price -
tert-Butyl3-Bromopropanoate TCI B6840
Regular price From Rp 2.833.950,00Regular price -
2-ButyloctanoicAcid TCI B6845
Regular price From Rp 946.050,00Regular price -
16-BromohexadecanoicAcid TCI B6915
Regular price From Rp 1.535.100,00Regular price -
EthyleneBis(2-bromoisobutyrate) TCI B7067
Regular price From Rp 2.038.050,00Regular price
