Ethyl 2-cyano-3-ethoxyacrylate
Ethyl 2-cyano-3-ethoxyacrylate (CAS: 94-05-3) is a specialised organic compound with the linear formula C2H5OCH=C(CN)COOC2H5 and a molecular weight of 169.18 g/mol. This ester features both nitrile and ester functionalities, alongside an enol ether structure, making it a versatile intermediate. It is commonly employed in organic synthesis as a building block for more complex molecules, particularly in the pharmaceutical and fine chemical sectors.
- IUPAC
- Ethyl (ethoxymethylene)cyanoacetate
- Synonyms
- Ethyl (ethoxymethylene)cyanoacetate

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of various organic compounds. Its multifunctional nature allows for diverse chemical transformations.
Pharmaceutical Intermediates
Used in the development and production of active pharmaceutical ingredients (APIs) and related compounds. Its structure is amenable to modifications for drug discovery.
Fine Chemical Manufacturing
A valuable reagent in the creation of fine chemicals, contributing to the development of specialised materials and products.
| Molecular weight | 169.18 |
|---|---|
| Linear formula | C2H5OCH=C(CN)COOC2H5 |
| Assay | ≥97.0% (GC) |
| Grade | purum |
| Boiling point | 190-191 °C/30 mmHg(lit.) |
| Melting point | 49-51 °C(lit.)49-52 °C |

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 |
|---|---|
| Flash point | 130 °C / 266 °F |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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-cyano-3-ethoxyacrylate used for?
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Ethyl 2-cyano-3-ethoxyacrylate is primarily used as a versatile building block in organic synthesis, particularly for the preparation of pharmaceutical intermediates and fine chemicals.
What are the CAS number and formula for Ethyl 2-cyano-3-ethoxyacrylate?
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The CAS number is 94-05-3 and the linear formula is C2H5OCH=C(CN)COOC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ethyl 2-cyano-3-ethoxyacrylate with a purity of ≥97.0% (GC), meeting the 'purum' grade specification. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
What are the primary safety hazards associated with this chemical?
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This compound is classified with the GHS07 symbol and a 'Warning' signal word. It carries hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used when handling.
How is Ethyl 2-cyano-3-ethoxyacrylate packed, shipped, and exported?
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Tech Serve Solutions ensures secure packaging suitable for chemical export. Specific packing details can be provided upon request, and we adhere to international shipping regulations for chemical substances.
How can I request a sample or quote for Ethyl 2-cyano-3-ethoxyacrylate?
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To request a sample or a quotation, please contact our sales team via the website or direct email, specifying the product name and CAS number (94-05-3).
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