Diethyl acetylenedicarboxylate
Diethyl acetylenedicarboxylate (CAS 762-21-0), with the linear formula C2H5OCOC≡CCOOC2H5 and a molecular weight of 170.16 g/mol, is a versatile organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of organic chemistry. This ester is widely utilised in the preparation of various heterocyclic compounds and complex organic molecules, finding applications in research and development settings.
- IUPAC
- Diethyl 2-butynedioate
- Synonyms
- Diethyl 2-butynedioate
Organic Synthesis Intermediate
Diethyl acetylenedicarboxylate is a key reagent in various organic transformations, including Diels-Alder reactions and Michael additions. It is frequently employed in the synthesis of diverse heterocyclic systems and complex molecular architectures.
Heterocyclic Compound Synthesis
This compound is instrumental in the construction of various heterocyclic frameworks, such as pyrazoles, pyridines, and other nitrogen- or oxygen-containing rings. These structures are often found in pharmaceuticals and agrochemicals.
Research and Development
As a readily available building block, it is extensively used in academic and industrial research laboratories for exploring new synthetic methodologies and discovering novel chemical entities.
| Molecular weight | 170.16 |
|---|---|
| Linear formula | C2H5OCOC≡CCOOC2H5 |
| Assay | 95% |
| Boiling point | 107-110 °C/11 mmHg(lit.) |
| Density | 1.063 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.443(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 | 94 °C / 201.2 °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 Diethyl acetylenedicarboxylate used for?
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Diethyl acetylenedicarboxylate is primarily used as a versatile building block in organic synthesis, particularly for the preparation of heterocyclic compounds and in various cycloaddition and conjugate addition reactions.
What are the CAS number and formula for Diethyl acetylenedicarboxylate?
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The CAS number for Diethyl acetylenedicarboxylate is 762-21-0, and its linear formula is C2H5OCOC≡CCOOC2H5.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Diethyl acetylenedicarboxylate with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should Diethyl acetylenedicarboxylate be handled safely?
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Diethyl acetylenedicarboxylate is classified as corrosive (H314). Handle with extreme care, using appropriate personal protective equipment including a full-face shield, gloves, goggles, and a suitable respirator. Avoid contact with skin and eyes.
How is Diethyl acetylenedicarboxylate packed and exported?
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Diethyl acetylenedicarboxylate is carefully packed according to industry standards for safe transport and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for Diethyl acetylenedicarboxylate?
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To request a sample or a quote for Diethyl acetylenedicarboxylate, please contact our sales team through the website or by phone.
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