3-Butenal diethyl acetal
3-Butenal diethyl acetal (CAS: 10602-36-5) is an organic compound with the linear formula H₂C=CHCH₂CH(OC₂H₅)₂ and a molecular weight of 144.21 g/mol. This versatile chemical building block, classified under acetals and oxygen compounds, finds utility in various synthetic processes. It serves as a key intermediate in organic synthesis, enabling the construction of more complex molecular structures. Its reliable properties make it a valuable reagent for research and development applications.
- IUPAC
- 4,4-Diethoxy-1-butene
- Synonyms
- 4,4-Diethoxy-1-butene

Organic Synthesis Intermediate
3-Butenal diethyl acetal acts as a crucial building block in the synthesis of complex organic molecules. Its acetal functionality allows for controlled reactions and transformations, making it valuable in multi-step synthetic pathways.
Chemical Research and Development
This compound is employed in research laboratories for exploring new synthetic routes and developing novel chemical entities. Its reactivity profile supports its use in diverse chemical investigations.
Specialty Chemical Production
As an oxygen-containing organic compound, it can be utilized in the production of specialty chemicals where its specific structural features are required.
| Molecular weight | 144.21 |
|---|---|
| Linear formula | H2C=CHCH2CH(OC2H5)2 |
| Assay | 97% |
| Boiling point | 66-67 °C/50 mmHg(lit.) |
| Density | 0.851 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.408(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- 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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 34 °C / 93.2 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
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-Butenal diethyl acetal primarily used for?
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3-Butenal diethyl acetal is primarily used as an intermediate and building block in organic synthesis and for chemical research and development.
What is the CAS number and chemical formula for 3-Butenal diethyl acetal?
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The CAS number is 10602-36-5, and the linear formula is H₂C=CHCH₂CH(OC₂H₅)₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Butenal diethyl acetal with an assay of 97%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 3-Butenal diethyl acetal be handled safely?
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3-Butenal diethyl acetal is a flammable liquid and vapour (H226), and can cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Ensure adequate ventilation and keep away from heat and open flames.
Is 3-Butenal diethyl acetal controlled or scheduled?
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The provided data does not indicate that 3-Butenal diethyl acetal is a controlled or scheduled substance.
How is 3-Butenal diethyl acetal packed, shipped, and exported?
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3-Butenal diethyl acetal is packed according to industry standards for chemical transportation. It is shipped and exported globally by Tech Serve Solutions, adhering to all relevant international shipping regulations.
How can I request a sample or quote for 3-Butenal diethyl acetal?
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To request a sample or quote for 3-Butenal diethyl acetal, please contact our sales team through the website or provide your details via the online inquiry form.
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