2,3-Dimethoxy-1,3-butadiene
2,3-Dimethoxy-1,3-butadiene (CAS 3588-31-6) is a chemical compound with the linear formula H₂C=C(OCH₃)C(OCH₃)=CH₂ and a molecular weight of 114.14 g/mol. This enol ether is primarily used as a building block in organic synthesis. Its applications include serving as a diene in Diels-Alder reactions, particularly in research exploring the chemistry of graphene structures. Tech Serve Solutions supplies this compound for laboratory and industrial research purposes.
- Synonyms
- 3588-31-6H2C=C(OCH3)C(OCH3)=CH2

Diels-Alder Reactions
2,3-Dimethoxy-1,3-butadiene acts as a diene in Diels-Alder cycloaddition reactions. It has been utilised to investigate the reactivity of pristine and defective graphene.
Organic Synthesis Building Block
As an enol ether, this compound serves as a versatile building block in various organic synthesis pathways. Its structure allows for diverse chemical transformations.
Chemical Research
This chemical is employed in academic and industrial research settings for exploring novel synthetic methodologies and studying reaction mechanisms.
| Molecular weight | 114.14 |
|---|---|
| Linear formula | H2C=C(OCH3)C(OCH3)=CH2 |
| Assay | 95% |
| Boiling point | 134-136 °C/745 mmHg(lit.) |
| Density | 0.94 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.459(lit.) |
| Storage temperature | 2-8°C |
| Melting point | 19 °C(lit.) |
| Application | 2,3-Dimethoxy-1,3-butadiene has been employed as diene to investigate the Diels-Alder chemistry of pristine and defective graphene1. |

Hazard statements
- H226Flammable liquid and vapour
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 33 °C / 91.4 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Risk statements (R) | 10 |
| Safety statements (S) | 16-33 |
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 2,3-Dimethoxy-1,3-butadiene primarily used for?
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2,3-Dimethoxy-1,3-butadiene is primarily used as a diene in Diels-Alder reactions and as a building block in organic synthesis, particularly in research related to graphene chemistry.
What are the CAS number and formula for 2,3-Dimethoxy-1,3-butadiene?
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The CAS number for 2,3-Dimethoxy-1,3-butadiene is 3588-31-6, and its linear formula is H₂C=C(OCH₃)C(OCH₃)=CH₂.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Dimethoxy-1,3-butadiene with an assay of 95%. This product is supplied for research and laboratory use and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3-Dimethoxy-1,3-butadiene be handled safely?
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2,3-Dimethoxy-1,3-butadiene is a flammable liquid and vapour (H226). It should be handled with appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection. Store in a cool, well-ventilated area away from ignition sources, ideally at 2-8°C.
Is 2,3-Dimethoxy-1,3-butadiene a controlled substance?
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The provided data does not indicate that 2,3-Dimethoxy-1,3-butadiene is a controlled substance.
How can I request a quote or sample for 2,3-Dimethoxy-1,3-butadiene?
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To request a quote or a sample of 2,3-Dimethoxy-1,3-butadiene, please contact our sales team through the website or by phone.
How is 2,3-Dimethoxy-1,3-butadiene packed and exported?
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2,3-Dimethoxy-1,3-butadiene is packed according to relevant safety and transport regulations for flammable liquids. We are experienced in exporting chemicals globally, ensuring compliance with all necessary international shipping standards.
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