Ethyl 4-iodobenzoate
Ethyl 4-iodobenzoate (CAS: 51934-41-9; Formula: C9H9IO2; MW: 276.07 g/mol) is a versatile organic building block and ester. It serves as a crucial intermediate in organic synthesis, particularly in reactions requiring an iodinated aromatic moiety. Its application is predominantly in research and development settings for the creation of more complex molecules within the pharmaceutical and chemical industries.

Organic Synthesis Intermediate
Ethyl 4-iodobenzoate is widely employed as a key intermediate in various organic synthetic pathways. The iodine atom provides a reactive site for cross-coupling reactions and nucleophilic substitutions.
Pharmaceutical Research
It is utilised in the research and development of novel pharmaceutical compounds. The structure can be incorporated into potential drug candidates, contributing to medicinal chemistry efforts.
Material Science
This compound may find application in the synthesis of specialised polymers or advanced materials where its specific functional groups are advantageous.
| Molecular weight | 276.07 |
|---|---|
| Empirical formula | C9H9IO2 |
| Assay | ≥98.0% (GC) |
| Grade | purum |
| Density | 1.641 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5880(lit.) |

Hazard statements
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3082 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 51/53 |
| Safety statements (S) | 61 |
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 Ethyl 4-iodobenzoate used for?
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Ethyl 4-iodobenzoate is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and the development of new chemical entities.
What is the CAS number and formula for Ethyl 4-iodobenzoate?
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The CAS number for Ethyl 4-iodobenzoate is 51934-41-9, and its molecular formula is C9H9IO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 4-iodobenzoate with a purity of ≥98.0% (GC), specified as 'purum' grade. We do not represent this product as USP, BP, or EP grade.
How should Ethyl 4-iodobenzoate be handled safely?
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Ethyl 4-iodobenzoate is classified with a GHS07 symbol and a Warning signal word, with hazard statement H319 (Causes serious eye irritation). It is recommended to wear eyeshields and gloves when handling this chemical. Ensure adequate ventilation and avoid contact with eyes and skin. Refer to the Safety Data Sheet (SDS) for comprehensive handling instructions.
Is Ethyl 4-iodobenzoate a controlled substance?
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Based on the provided data, Ethyl 4-iodobenzoate is not indicated as a controlled substance.
How is Ethyl 4-iodobenzoate packed and shipped?
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Ethyl 4-iodobenzoate is packed according to industry standards for chemical reagents and is exported globally by Tech Serve Solutions. Specific shipping details are available upon request.
How can I request a quote or sample?
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To request a quote or a sample of Ethyl 4-iodobenzoate, please contact our sales department via the website or provided contact information.
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