![Molecular structure of [OC6H4OC6H4COC6H4]n](/images/chem_structures_svg/500/29658-26-2.svg)
Polyetheretherketone
聚醚醚酮
Also known as: PEEK, Poly(ether ether ketone), Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene), Bis(4-fluorophenyl) methanone polymer with 1,4-benzenediol, Methanone, bis(4-fluorophenyl)-, polymer with 1,4-benzenediol, 4,4'-Difluorobenzophenone-hydroquinone copolymer, MFCD00217725
Polyetheretherketone (CAS 29658-26-2) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula [OC6H4OC6H4COC6H4]n and a molecular weight of 328.314 g/mol. It is also known as PEEK, Poly(ether ether ketone) and Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene). Key properties include a melting point of 322°C and a density of 1.3 g/mL at 25 °C(lit.). No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 29658-26-2
- Jingsj CID
- J-1529614-8
- Molecular Formula
- OC6H4OC6H4COC6H4n
- Chinese Name
- 聚醚醚酮
- Molecular Weight
- 328.314 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 322°C |
|---|---|
| Density | 1.3 g/mL at 25 °C(lit.) |
Frequently Asked Questions
What is the CAS number of Polyetheretherketone?
The CAS number of Polyetheretherketone is 29658-26-2.
What are the molecular formula and molecular weight of Polyetheretherketone?
Polyetheretherketone has molecular formula [OC6H4OC6H4COC6H4]n and molecular weight 328.314 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Polyetheretherketone (CAS 29658-26-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1529614-8 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.