3-Ethoxy-acryloyl chloride
3-Ethoxy-acryloyl chloride (CAS: 6191-99-7) is a reactive organic compound with the chemical formula C5H7ClO2 and a molecular weight of 134.56 g/mol. As an acid halide and an alkene, it serves as a versatile building block in organic synthesis. Its primary applications lie in the chemical industry for the production of various organic intermediates and fine chemicals.

Organic Synthesis Intermediate
3-Ethoxy-acryloyl chloride is a valuable reagent for introducing the 3-ethoxy-acryloyl moiety into organic molecules. It is employed in the synthesis of more complex organic compounds and pharmaceutical intermediates.
Building Block for Heterocycles
This compound can be utilised in cyclisation reactions to form heterocyclic structures. These structures are common motifs in medicinal chemistry and materials science.
Acylation Agent
Due to the reactive acid chloride group, it functions as an effective acylating agent in various chemical transformations, facilitating the formation of ester and amide bonds.
| Molecular weight | 134.56 |
|---|---|
| Empirical formula | C5H7ClO2 |
| Assay | ≥85% (H-NMR) |
| Storage temperature | 2-8°C |




Hazard statements
- H226Flammable liquid and vapour
- H302Harmful if swallowed
- H314Causes severe skin burns and eye damage
- H317May cause an allergic skin reaction
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- 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 | 25 °C / 77 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-22-34-42/43 |
| Safety statements (S) | 23-24-26-36/37/39-45 |
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 3-Ethoxy-acryloyl chloride used for?
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3-Ethoxy-acryloyl chloride is primarily used as a building block and intermediate in organic synthesis, particularly for creating complex organic molecules and potentially pharmaceutical intermediates.
What are the CAS number and formula for 3-Ethoxy-acryloyl chloride?
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The CAS number is 6191-99-7 and the chemical formula is C5H7ClO2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Ethoxy-acryloyl chloride with an assay of ≥85% (H-NMR). This product is supplied for research and development purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
How should 3-Ethoxy-acryloyl chloride be handled safely?
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3-Ethoxy-acryloyl chloride is a dangerous substance. It is flammable (flash point 25 °C) and corrosive, causing severe skin burns and eye damage. It is also harmful if swallowed and may cause allergy or asthma symptoms or breathing difficulties if inhaled. Handle with appropriate personal protective equipment, including gloves, eye protection, and respiratory protection, in a well-ventilated area. Refer to the safety data sheet for full details.
Is 3-Ethoxy-acryloyl chloride a controlled substance?
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Based on the provided data, there is no indication that 3-Ethoxy-acryloyl chloride is a controlled substance.
How is 3-Ethoxy-acryloyl chloride packaged and shipped?
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3-Ethoxy-acryloyl chloride is classified under UN 2920 for transport. Tech Serve Solutions, as a global supplier and exporter, ensures appropriate packaging and compliance with international shipping regulations.
How can I request a sample or quote for 3-Ethoxy-acryloyl chloride?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team through the website or by phone, providing the product name and CAS number (6191-99-7).
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