Pentafluorophenyl methacrylate
Pentafluorophenyl methacrylate (CAS: 13642-97-2; Formula: C10H5F5O2; Molar Mass: 252.14 g/mol) is a fluorinated methacrylate monomer. Its pentafluorophenyl group serves as an activated ester, facilitating esterification and amidation reactions. It is also a key component in the synthesis of low refractive index polymers, offering desirable optical properties for specialised material science applications.
- IUPAC
- Methacrylic acid, pentafluorophenyl ester

Activated Ester Chemistry
The pentafluorophenyl moiety within the molecule acts as an activated ester. This functional group is highly reactive and readily participates in nucleophilic acyl substitution reactions, enabling efficient esterification and amidation processes.
Low Refractive Index Polymers
This monomer is utilised in the development of polymers with exceptionally low refractive indices, approximately n ~1.40. Such materials are valuable in optical applications where light management and reduced reflection are critical.
Materials Science
As a versatile building block, Pentafluorophenyl methacrylate finds application in advanced materials science research and development, contributing to the creation of novel polymers with tailored properties.
| Molecular weight | 252.14 |
|---|---|
| Empirical formula | C10H5F5O2 |
| Assay | 95% |
| Density | 1.394 g/mL at 25 °C |
| Refractive index | n20/D 1.438 |
| Storage temperature | 2-8°C |
| Contains / stabiliser | 1,500 ppm MEHQ as inhibitor |
| Application | The PFP unit acts as an activated ester for coupling (esterification/amidation) reactions. This is also a monomer for low refractive index polymers (n ~1.40). |
| Flash point | 77 °C / 170.6 °F |
|---|---|
| Transport (UN / ADR) | NA 1993 / PGIII |
| Water hazard class (WGK, DE) | 3 |
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 Pentafluorophenyl methacrylate used for?
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Pentafluorophenyl methacrylate is used as an activated ester for coupling reactions (esterification/amidation) and as a monomer for synthesising low refractive index polymers.
What are the CAS number and formula for Pentafluorophenyl methacrylate?
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The CAS number is 13642-97-2, and the molecular formula is C10H5F5O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pentafluorophenyl methacrylate with an assay of 95%. This product is not represented as USP, BP, EP, or other pharmacopoeia grades; it is suitable for research and technical applications.
How should Pentafluorophenyl methacrylate be handled safely?
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Pentafluorophenyl methacrylate is a combustible liquid with a flash point of 77 °C (170.6 °F). It is classified under UN 1993, Packing Group III. Handle with appropriate personal protective equipment in a well-ventilated area, and store at 2-8°C, away from ignition sources, with 1,500 ppm MEHQ as an inhibitor.
How is Pentafluorophenyl methacrylate shipped?
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Pentafluorophenyl methacrylate is typically shipped as a combustible liquid, conforming to relevant transportation regulations (e.g., NA 1993 / PGIII). Tech Serve Solutions, as a global supplier and exporter, ensures compliant packaging and documentation.
How can I request a sample or quote for Pentafluorophenyl methacrylate?
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To request a sample or a quote for Pentafluorophenyl methacrylate, please contact our sales team via the website or by phone, providing your specific requirements and delivery details.
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