Ethyl 2,3-dibromopropionate
Ethyl 2,3-dibromopropionate (CAS: 3674-13-3) is a chemical compound with the linear formula CH2BrCHBrCOOC2H5 and a molecular weight of 259.92 g/mol. As a dibrominated ester, it serves as a valuable building block in organic synthesis. It is commonly employed in the preparation of more complex molecules and intermediates within the pharmaceutical and fine chemical industries, owing to its reactive bromine atoms and ester functionality.
- Synonyms
- CH2BrCHBrCOOC2H5Ethyl 2,3-dibromo-propanoate2,3-Dibromopropanoic acid ethyl ester

Organic Synthesis Intermediate
Ethyl 2,3-dibromopropionate is frequently utilised as a reactive intermediate in the synthesis of various organic compounds. Its two bromine atoms allow for diverse substitution and elimination reactions.
Pharmaceutical Building Block
This compound acts as a key building block in the multi-step synthesis of active pharmaceutical ingredients (APIs) and related intermediates. Its structure can be incorporated into complex drug molecules.
Fine Chemical Production
It is employed in the production of specialised fine chemicals where precise molecular architecture is required. The ester group and vicinal dibromides offer synthetic versatility.
| Molecular weight | 259.92 |
|---|---|
| Linear formula | CH2BrCHBrCOOC2H5 |
| Assay | 97% |
| Grade | purum |
| Boiling point | 211-214 °C/746 mmHg(lit.) |
| Density | 1.788 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5(lit.) |


Hazard statements
- H301Toxic if swallowed
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 91 °C / 195.8 °F |
| Transport (UN / ADR) | UN 2922 8/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T |
| Risk statements (R) | 22-24-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 2,3-dibromopropionate used for?
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Ethyl 2,3-dibromopropionate is primarily used as a building block and intermediate in organic synthesis, particularly in the pharmaceutical and fine chemical sectors for creating more complex molecules.
What is the CAS number and formula for Ethyl 2,3-dibromopropionate?
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The CAS number is 3674-13-3 and the linear formula is CH2BrCHBrCOOC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 2,3-dibromopropionate with a minimum assay of 97% (purum grade). This product is not represented as USP, BP, EP, or other pharmacopoeial grades.
How should Ethyl 2,3-dibromopropionate be handled safely?
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Ethyl 2,3-dibromopropionate is classified as a Danger substance, corrosive, and toxic if swallowed or in contact with skin. Always handle with appropriate personal protective equipment, including gloves, goggles, a full-face respirator, and protective clothing, in a well-ventilated area. Refer to the Safety Data Sheet (SDS) for detailed handling instructions.
Is Ethyl 2,3-dibromopropionate a controlled substance?
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The provided data does not indicate that Ethyl 2,3-dibromopropionate is a controlled substance.
How is this chemical shipped or exported?
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Ethyl 2,3-dibromopropionate is shipped and exported according to international regulations for hazardous materials, identified under UN 2922 (Corrosive liquid, toxic, n.o.s.). TSS adheres strictly to all transport and export compliance requirements.
How can I request a quote or sample?
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To request a quote or sample of Ethyl 2,3-dibromopropionate, please contact our sales department through the TSS website or by phone, providing your specific requirements.
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