3,4-Diacetoxy-1-butene
3,4-Diacetoxy-1-butene (CAS: 18085-02-4) is a versatile organic ester with the linear formula CH3CO2CH2CH(O2CCH3)CH=CH2 and a molecular weight of 172.18 g/mol. This compound serves as a valuable building block in chemical synthesis, particularly within the realm of organic chemistry. Its structure, featuring both ester functionalities and a terminal double bond, allows for a range of chemical transformations.
- IUPAC
- 3-Butene-1,2-diol diacetate,DAcB
- Synonyms
- 3-Butene-1,2-diol diacetate,DACB

Organic Synthesis Intermediate
3,4-Diacetoxy-1-butene is employed as a precursor in the synthesis of more complex organic molecules. The presence of ester groups and an olefin allows for diverse reactions, making it a useful intermediate in multi-step synthetic routes.
Building Block for Specialty Chemicals
As an organic building block, this compound can be utilised in the development of specialty chemicals. Its unique structure can be incorporated into target molecules for materials science or pharmaceutical research applications.
Research and Development
This diacetate ester is suitable for laboratory-scale research and development activities. Chemists can explore its reactivity and potential applications in novel synthetic methodologies.
| Molecular weight | 172.18 |
|---|---|
| Linear formula | CH3CO2CH2CH(O2CCH3)CH=CH2 |
| Assay | 98% |
| Boiling point | 95-96 °C/10 mmHg(lit.) |
| Density | 1.059 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.43(lit.) |

Hazard statements
- H302Harmful if swallowed
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
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 3,4-Diacetoxy-1-butene used for?
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3,4-Diacetoxy-1-butene is primarily used as a building block and intermediate in organic synthesis and chemical research and development.
What is the CAS number and formula for 3,4-Diacetoxy-1-butene?
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The CAS number for 3,4-Diacetoxy-1-butene is 18085-02-4, and its linear formula is CH3CO2CH2CH(O2CCH3)CH=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Diacetoxy-1-butene with an assay of 98%. We do not represent this product as USP, BP, EP, or other pharmacopoeial grades unless explicitly stated in the specifications.
How should 3,4-Diacetoxy-1-butene be handled safely?
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3,4-Diacetoxy-1-butene is classified with a Warning signal word and carries the H302 hazard statement (Harmful if swallowed). Appropriate personal protective equipment, including eyeshields, face shields, and chemical-resistant gloves, is recommended. Refer to the safety data sheet for comprehensive handling guidelines.
Is 3,4-Diacetoxy-1-butene a controlled substance?
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Based on the provided data, there is no indication that 3,4-Diacetoxy-1-butene is a controlled substance.
How is 3,4-Diacetoxy-1-butene packed and shipped?
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Tech Serve Solutions exports chemicals globally, adhering to all relevant shipping and packaging regulations to ensure safe transit.
How can I request a sample or quote for 3,4-Diacetoxy-1-butene?
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To request a sample or a quotation for 3,4-Diacetoxy-1-butene, please contact our sales department via the website or designated contact channels.
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