Ethyl 4-bromocrotonate
Ethyl 4-bromocrotonate (CAS: 37746-78-4) is an organic compound with the linear formula BrCH₂CH=CHCO₂C₂H₅ and a molecular weight of 193.04 g/mol. This ester serves as a versatile building block in organic synthesis. Its chemical structure, featuring a reactive bromine atom and an ester group conjugated with a double bond, makes it valuable for introducing specific functionalities into more complex molecules, particularly in the development of pharmaceuticals and fine chemicals.
- IUPAC
- Ethyl trans-4-bromo-2-butenoate
- Synonyms
- Ethyl trans-4-bromo-2-butenoate
Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of complex organic molecules. The presence of the bromoalkene moiety allows for various coupling and addition reactions.
Pharmaceutical Building Block
Serves as a precursor in the development pathways for active pharmaceutical ingredients (APIs). Its structure facilitates the construction of targeted molecular frameworks.
Fine Chemical Production
Employed in the manufacture of various fine chemicals where its specific reactivity can be leveraged for precise molecular transformations.
| Molecular weight | 193.04 |
|---|---|
| Linear formula | BrCH2CH=CHCO2C2H5 |
| Assay | 75% |
| Grade | technical grade |
| Boiling point | 94-95 °C/12 mmHg(lit.) |
| Density | 1.402 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.493(lit.) |
| Storage temperature | 2-8°C |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- 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 | 97 °C / 206.6 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 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 4-bromocrotonate primarily used for?
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Ethyl 4-bromocrotonate is primarily used as a building block and intermediate in organic synthesis, particularly for pharmaceuticals and fine chemicals.
What are the CAS number and formula for Ethyl 4-bromocrotonate?
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The CAS number is 37746-78-4 and the linear formula is BrCH₂CH=CHCO₂C₂H₅.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 4-bromocrotonate in technical grade with an assay of 75%. We do not represent this product as USP, BP, or EP grade.
How should Ethyl 4-bromocrotonate be handled safely?
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Ethyl 4-bromocrotonate is a Danger substance (GHS05) that causes severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment, including full-face respirators, chemical-resistant gloves, and goggles. Ensure adequate ventilation and follow stringent safety protocols.
Is Ethyl 4-bromocrotonate a controlled substance?
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The provided data does not indicate that Ethyl 4-bromocrotonate is a controlled substance.
How is Ethyl 4-bromocrotonate packed and shipped?
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Ethyl 4-bromocrotonate is packed and shipped according to international regulations for hazardous materials, identified as UN 3265, Class 8, Packing Group II.
How can I request a quote or sample of Ethyl 4-bromocrotonate?
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To request a quote or sample, please contact our sales department via the website or by phone, providing your specific requirements.
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