(1-Ethoxyethylidene)malononitrile
(1-Ethoxyethylidene)malononitrile (CAS: 5417-82-3), with molecular formula CH3C(OC2H5)=C(CN)2 and a molecular weight of 136.15 g/mol, is a valuable organic building block. It is characterised by its reactive ethylidene and malononitrile functionalities, making it a versatile intermediate in chemical synthesis. This compound is frequently employed in the construction of more complex organic molecules, particularly within the fields of fine chemicals and pharmaceutical research.

Organic Synthesis Intermediate
(1-Ethoxyethylidene)malononitrile serves as a key building block in the synthesis of various heterocyclic compounds and other complex organic structures. Its functional groups allow for diverse chemical transformations.
Pharmaceutical Research
The unique structure of this compound makes it useful in the development of novel pharmaceutical agents. It can be incorporated into drug discovery programmes as a starting material or intermediate.
Fine Chemical Production
This nitrile compound is utilized in the manufacture of fine chemicals, contributing to the creation of specialised molecules for various industrial applications.
| Molecular weight | 136.15 |
|---|---|
| Linear formula | CH3C(OC2H5)=C(CN)2 |
| Assay | 98% |
| Melting point | 90-92 °C(lit.) |

Hazard statements
- H302Harmful if swallowed
- H312Harmful in contact with skin
- H315Causes skin irritation
- H319Causes serious eye irritation
- H332Harmful if inhaled
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3439 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20/21/22-36/37/38 |
| Safety statements (S) | 26-28-36/37/39-45 |
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 (1-Ethoxyethylidene)malononitrile used for?
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(1-Ethoxyethylidene)malononitrile is primarily used as a versatile building block in organic synthesis, particularly for the preparation of fine chemicals and in pharmaceutical research for developing new drug candidates.
What is the CAS number and molecular formula?
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The CAS number for (1-Ethoxyethylidene)malononitrile is 5417-82-3, and its molecular formula is CH3C(OC2H5)=C(CN)2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (1-Ethoxyethylidene)malononitrile with a minimum assay of 98%. We do not represent this product as USP, BP, or EP grade.
How should (1-Ethoxyethylidene)malononitrile be handled safely?
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This compound is harmful if swallowed, in contact with skin, or if inhaled, and causes skin and eye irritation, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a dust mask (type N95 or equivalent), in a well-ventilated area.
How is this chemical packed and exported?
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(1-Ethoxyethylidene)malononitrile is typically packed according to UN 3439 6.1 / PGIII regulations for safe transport. Tech Serve Solutions is experienced in global export.
How can I request a quote or sample?
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To request a quote or a sample of (1-Ethoxyethylidene)malononitrile, please contact our sales team via the website or by phone. Please provide your contact details and the quantity required.
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