1,2-Diiodoethane
1,2-Diiodoethane (CAS 624-73-7), with the linear formula ICH<sub>2</sub>CH<sub>2</sub>I and a molecular weight of 281.86 g/mol, is a halogenated organic compound. It serves as a valuable building block in organic synthesis and is employed in the preparation of various chemical compounds. Available from Tech Serve Solutions, this reagent is supplied with an assay of 99% purity.
- IUPAC
- Ethylene diiodide,Ethylene iodide
- Synonyms
- ICH2CH2IEthylene diiodideEthylene iodide

Organic Synthesis Intermediate
1,2-Diiodoethane functions as a key intermediate in organic synthesis. Its reactivity allows for its use in creating more complex molecular structures.
Building Block for Heterocycles
This compound can be utilised in the construction of heterocyclic ring systems, which are prevalent in pharmaceuticals and materials science.
Reagent in Halogen Exchange Reactions
As a diiodinated compound, it can participate in halogen exchange reactions, facilitating the introduction of iodine atoms into other molecules or the displacement of iodine by other functionalities.
| Molecular weight | 281.86 |
|---|---|
| Linear formula | ICH2CH2I |
| Assay | 99% |
| Density | 2.132 g/mL at 25 °C(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 80-82 °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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 1,2-Diiodoethane used for?
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1,2-Diiodoethane is primarily used as a building block and intermediate in organic synthesis, particularly in the formation of heterocyclic compounds and in halogen exchange reactions.
What is the CAS number and formula for 1,2-Diiodoethane?
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The CAS number is 624-73-7 and the linear formula is ICH2CH2I.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2-Diiodoethane with an assay of 99% purity. We do not represent this product as USP, BP, or EP grade.
How should 1,2-Diiodoethane be handled safely?
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1,2-Diiodoethane is classified with Warning signal word and hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). When handling, use a dust mask type N95 (US), wear eyeshields, and gloves. Ensure adequate ventilation.
Is 1,2-Diiodoethane shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,2-Diiodoethane.
How can I request a quote or sample for 1,2-Diiodoethane?
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To request a quote or sample for 1,2-Diiodoethane, please contact our sales team through the provided channels on the Tech Serve Solutions website.
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