Vinyl valerate
Vinyl valerate (CAS: 5873-43-8, Formula: C7H12O2, MW: 128.17 g/mol) is a vinyl ester with a refractive index of n20/D 1.417 and a density of 0.899 g/mL at 25 °C. This compound is primarily utilised in materials science and polymer science, serving as a monomer in polymerisation reactions. It is supplied with an assay of 97% and requires storage at -20°C.
- IUPAC
- Pentanoic acid, ethenyl ester,Valeric acid, vinyl ester,Vinyl pentanoate
- Synonyms
- Pentanoic acid, ethenyl esterValeric acid, vinyl esterVinyl pentanoate

Monomer for Polymer Synthesis
Vinyl valerate serves as a vinyl ester monomer in the synthesis of various polymers. Its incorporation into polymer chains can modify material properties such as flexibility and adhesion.
Materials Science Research
Utilised in materials science for the development of novel polymers and copolymers. Its reactive vinyl group allows for participation in free-radical polymerisation and other addition reactions.
Organic Synthesis Intermediate
Can be employed as an intermediate in organic synthesis, leveraging the reactivity of the vinyl ester functional group for further chemical transformations.
| Molecular weight | 128.17 |
|---|---|
| Empirical formula | C7H12O2 |
| Assay | 97% |
| Density | 0.899 g/mL at 25 °C |
| Refractive index | n20/D 1.417 |
| Storage temperature | −20°C |
| Contains / stabiliser | ≤1000 ppm hydroquinone as stabilizer |


Hazard statements
- H226Flammable liquid and vapour
- H400Very toxic to aquatic life
Precautionary statements
- P273Avoid release to the environment
| Flash point | 34 °C / 93.2 °F |
|---|---|
| Transport (UN / ADR) | UN 3272 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | N |
| Risk statements (R) | 10-50 |
| Safety statements (S) | 61 |
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 Vinyl Valerate primarily used for?
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Vinyl valerate is primarily used as a monomer in polymer science and in materials science research for the synthesis of polymers and copolymers.
What are the CAS number and molecular formula for Vinyl Valerate?
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The CAS number for Vinyl Valerate is 5873-43-8 and its molecular formula is C7H12O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Vinyl Valerate with an assay of 97%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades.
How should Vinyl Valerate be handled and stored safely?
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Vinyl Valerate is a flammable liquid (Flash Point: 34 °C) and is hazardous to the aquatic environment. Handle with appropriate personal protective equipment in a well-ventilated area and avoid release to the environment. Store at -20°C.
Is Vinyl Valerate regulated or a controlled substance?
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The provided data does not indicate that Vinyl Valerate is a controlled substance under standard regulations.
How can I request a sample or quote for Vinyl Valerate?
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Please contact the Tech Serve Solutions sales team directly via our website or by phone to request a sample or obtain a quotation for Vinyl Valerate.
How is Vinyl Valerate packed and shipped?
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Vinyl Valerate is shipped according to UN 3272, Hazard Class 3, Packing Group III regulations. Specific packaging details for export can be confirmed upon order.
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