Isopropenyl acetate
Isopropenyl acetate (CAS: 108-22-5) is a clear, colourless liquid with the chemical formula CH3CO2C(CH3)=CH2. This ester, with a molecular weight of 100.12 g/mol, serves as a versatile building block in organic synthesis. It is commonly employed in the production of polymers and various chemical intermediates, offering a reactive vinyl group and an acetate functionality for diverse chemical transformations.
- IUPAC
- 1-Methylvinyl acetate
- Synonyms
- 1-Methylvinyl acetate

Polymer Synthesis
Isopropenyl acetate can be utilised as a monomer or co-monomer in the synthesis of specialised polymers, contributing unique properties due to its functional groups.
Organic Synthesis Intermediate
It acts as a key intermediate in the preparation of more complex organic molecules, facilitating reactions through its acetylenic and ester functionalities.
Building Block for Fine Chemicals
Its structure makes it valuable in the multi-step synthesis of fine chemicals and pharmaceutical intermediates, offering a route to specific molecular architectures.
| Molecular weight | 100.12 |
|---|---|
| Linear formula | CH3CO2C(CH3)=CH2 |
| Assay | 99% |
| Grade | produced by Wacker Chemie AG, Burghausen, Germany |
| Boiling point | 94 °C(lit.) |
| Density | 0.922 g/mL at 20 °C0.909 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.401(lit.) |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 19 °C / 66.2 °F |
| Transport (UN / ADR) | UN 2403 3 / PGII |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 9-16-29-33 |
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 Isopropenyl acetate used for?
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Isopropenyl acetate is primarily used as a building block in organic synthesis for creating polymers and fine chemical intermediates. Its reactive nature allows for diverse chemical transformations.
What are the CAS number and chemical formula for Isopropenyl acetate?
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The CAS number for Isopropenyl acetate is 108-22-5, and its chemical formula is CH3CO2C(CH3)=CH2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Isopropenyl acetate with a purity of 99%, produced by Wacker Chemie AG. This is a technical/research grade and is not represented as USP, BP, or EP.
What are the key safety hazards associated with Isopropenyl acetate?
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Isopropenyl acetate is a highly flammable liquid and vapour (H225). It requires careful handling with appropriate personal protective equipment, including eye protection, gloves, and respiratory protection suitable for flammable vapours. Store away from ignition sources.
How is Isopropenyl acetate packed and shipped?
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Isopropenyl acetate is shipped as UN 2403, Class 3, Packing Group II, adhering to all transportation regulations for flammable liquids.
How can I request a quote or sample of Isopropenyl acetate?
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To request a quote or sample, please contact the TSS sales team through our website or by calling our direct line. Provide the product name and CAS number for swift processing.
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