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ChemicalBook >> CAS DataBase List >> PEEK

PEEK

PEEK price.
  • $181 - $11120
  • Product name: PEEK
  • CAS: 29658-26-2
  • MF: C19H14F2O3
  • MW: 328.31
  • EINECS:
  • MDL Number:MFCD01868088
  • Synonyms:4,4’-Difluorobenzophenone,hydroquinonepolymer ;Methanone,bis(4-fluorophenyl)-,polymerwith1,4-benzenediol ;PEEK;polyetheretherkrtone;Polyetheretherketone(peek);Poly(oxy-1,4-phenyleneoxy-1,4-phenylenecarbonyl-1,4-phenylene) average Mw ~20,800, average Mn ~10,300;PEEK ISO 9001:2015 REACH;4,4'-Difluorobenzophenone-hydroquinone copolymer
81 prices
Selected condition:
Brand
  • American Custom Chemicals Corporation
  • Sigma-Aldrich
Package
  • 5MG
  • 1EA
  • 100g
  • 2EA
  • 5EA
  • 10EA
  • 20EA
  • 50EA
  • 1 ea
  • 5 ea
  • 10 ea
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberPOL0002852
  • Product descriptionPEEK 95.00%
  • Packaging5MG
  • Price$500.35
  • Updated2021-12-16
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF09653801
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.9?mm, L 10?m, condition type a
  • Packaging1EA
  • Price$501
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF50801105
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.45?mm, L 5?m, condition type c, additive free
  • Packaging1EA
  • Price$518
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF87965320
  • Product descriptionPolyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 500?mm, wall thickness 0.675?mm
  • Packaging1ea
  • Price$527
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF04098168
  • Product descriptionPolyetheretherketone (PEEK), granule, 6?mm nominal granule size, weight 200?g
  • Packaging1EA
  • Price$553
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF91836377
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.2?mm, L 0.5?m, transparent pale amber
  • Packaging1EA
  • Price$556
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF07588963
  • Product descriptionPolyetheretherketone (PEEK), rod, diam. 50?mm, L 50?mm, gray
  • Packaging1EA
  • Price$567
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF06594194
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.15?mm, L 20?m, condition type c, pigmented
  • Packaging1EA
  • Price$614
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF01434440
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.2?mm, L 20?m, condition type a
  • Packaging1EA
  • Price$619
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF07588963
  • Product descriptionPolyetheretherketone (PEEK), rod, diam. 50?mm, L 50?mm, gray
  • Packaging2EA
  • Price$661
  • Updated2023-01-07
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF71801793
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.125?mm, L 0.5?m, transparent pale amber
  • Packaging1EA
  • Price$667
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF95665371
  • Product descriptionPolyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 1000?mm, wall thickness 0.675?mm
  • Packaging1ea
  • Price$680
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF06725695
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.9?mm, L 20?m, condition type a
  • Packaging1EA
  • Price$682
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF12790773
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.075?mm, L 1?m, transparent pale amber
  • Packaging1EA
  • Price$686
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF34203888
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.1?mm, L 1?m, transparent pale amber
  • Packaging1EA
  • Price$755
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF32260070
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.038?mm, L 1?m, transparent pale amber
  • Packaging1EA
  • Price$761
  • Updated2026-04-30
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
American Custom Chemicals Corporation POL0002852 PEEK 95.00% 5MG $500.35 2021-12-16 Buy
Sigma-Aldrich GF09653801 Polyetheretherketone (PEEK), monofilament, diam. 0.9?mm, L 10?m, condition type a 1EA $501 2026-04-30 Buy
Sigma-Aldrich GF50801105 Polyetheretherketone (PEEK), monofilament, diam. 0.45?mm, L 5?m, condition type c, additive free 1EA $518 2026-04-30 Buy
Sigma-Aldrich GF87965320 Polyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 500?mm, wall thickness 0.675?mm 1ea $527 2026-04-30 Buy
Sigma-Aldrich GF04098168 Polyetheretherketone (PEEK), granule, 6?mm nominal granule size, weight 200?g 1EA $553 2026-04-30 Buy
Sigma-Aldrich GF91836377 Polyetheretherketone (PEEK), film, thickness 0.2?mm, L 0.5?m, transparent pale amber 1EA $556 2026-04-30 Buy
Sigma-Aldrich GF07588963 Polyetheretherketone (PEEK), rod, diam. 50?mm, L 50?mm, gray 1EA $567 2026-04-30 Buy
Sigma-Aldrich GF06594194 Polyetheretherketone (PEEK), monofilament, diam. 0.15?mm, L 20?m, condition type c, pigmented 1EA $614 2026-04-30 Buy
Sigma-Aldrich GF01434440 Polyetheretherketone (PEEK), monofilament, diam. 0.2?mm, L 20?m, condition type a 1EA $619 2026-04-30 Buy
Sigma-Aldrich GF07588963 Polyetheretherketone (PEEK), rod, diam. 50?mm, L 50?mm, gray 2EA $661 2023-01-07 Buy
Sigma-Aldrich GF71801793 Polyetheretherketone (PEEK), film, thickness 0.125?mm, L 0.5?m, transparent pale amber 1EA $667 2026-04-30 Buy
Sigma-Aldrich GF95665371 Polyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 1000?mm, wall thickness 0.675?mm 1ea $680 2026-04-30 Buy
Sigma-Aldrich GF06725695 Polyetheretherketone (PEEK), monofilament, diam. 0.9?mm, L 20?m, condition type a 1EA $682 2026-04-30 Buy
Sigma-Aldrich GF12790773 Polyetheretherketone (PEEK), film, thickness 0.075?mm, L 1?m, transparent pale amber 1EA $686 2026-04-30 Buy
Sigma-Aldrich GF34203888 Polyetheretherketone (PEEK), film, thickness 0.1?mm, L 1?m, transparent pale amber 1EA $755 2026-04-30 Buy
Sigma-Aldrich GF32260070 Polyetheretherketone (PEEK), film, thickness 0.038?mm, L 1?m, transparent pale amber 1EA $761 2026-04-30 Buy

Properties

Melting point :322°C
Density :1.3 g/mL at 25 °C(lit.)
solubility :all common solvents: insoluble
form :tubes
color :gray
InChI :InChI=1S/C13H8F2O.C6H6O2/c14-11-5-1-9(2-6-11)13(16)10-3-7-12(15)8-4-10;7-5-1-2-6(8)4-3-5/h1-8H;1-4,7-8H
InChIKey :JUPQTSLXMOCDHR-UHFFFAOYSA-N
SMILES :OC1C=CC(O)=CC=1.C(C1C=CC(F)=CC=1)(C1C=CC(F)=CC=1)=O
Surface tension :42.1mN/m at 20°C
EPA Substance Registry System :Methanone, bis(4-fluorophenyl)-, polymer with 1,4-benzenediol (29658-26-2)

Safety Information

Symbol(GHS):
Signal word:
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
Precautionary statements:

Description

PEEK can be sulfonated and coated on nanofiltration(NF) membranes which can be used in the fabrication of antifouling based NF membranes. Sulfonated PEEK (up to 50-70 degree of sulfonation(DS)) can be used in the formation of proton exchange membranes(PEMs) for fuel cells based applications.

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