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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
  • 2EA
  • 100g
  • 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 numberGF13206406
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.45?mm, L 2?m, condition type c, additive free
  • Packaging1EA
  • Price$368
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF01434440
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.2?mm, L 20?m, condition type a
  • Packaging1EA
  • Price$619
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF73416225
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.006?mm, L 1?m, transparent pale amber
  • Packaging1EA
  • Price$900
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF01307540
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.038?mm, size 150 × 150?mm, transparent pale amber
  • Packaging5EA
  • Price$1380
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF61709711
  • Product descriptionPolyetheretherketone (PEEK), mesh, nominal aperture 1100ám, size 500 × 500?mm, monofil diameter 400ám
  • Packaging1EA
  • Price$1930
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF71573407
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.006?mm, size 300 × 300?mm, transparent pale amber
  • Packaging5EA
  • Price$1910
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF00222657
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.038?mm, size 300 × 300?mm, transparent pale amber
  • Packaging5EA
  • Price$1650
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF01307540
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.038?mm, size 150 × 150?mm, transparent pale amber
  • Packaging10EA
  • Price$2530
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF87965320
  • Product descriptionPolyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 500?mm, wall thickness 0.675?mm
  • Packaging10ea
  • Price$3900
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF71573407
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.006?mm, size 300 × 300?mm, transparent pale amber
  • Packaging10EA
  • Price$3480
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF10303726
  • Product descriptionPolyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 200?mm, wall thickness 0.675?mm
  • Packaging10ea
  • Price$3080
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF00537083
  • Product descriptionPolyetheretherketone (PEEK), granule, 6?mm nominal granule size, weight 50?g, condition high viscosity
  • Packaging1EA
  • Price$281
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF08131205
  • Product descriptionPolyetheretherketone (PEEK), bolt, size m2 x 10 mm, head style cross recessed pan head
  • Packaging1EA
  • Price$181
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF38214828
  • Product descriptionPolyetheretherketone (PEEK), monofilament, diam. 0.15?mm, L 5?m, condition type c, pigmented
  • Packaging1EA
  • Price$366
  • Updated2026-03-19
  • Buy
  • ManufacturerSigma-Aldrich
  • Product numberGF34203888
  • Product descriptionPolyetheretherketone (PEEK), film, thickness 0.1?mm, L 1?m, transparent pale amber
  • Packaging1EA
  • Price$755
  • Updated2026-03-19
  • 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 GF13206406 Polyetheretherketone (PEEK), monofilament, diam. 0.45?mm, L 2?m, condition type c, additive free 1EA $368 2026-03-19 Buy
Sigma-Aldrich GF01434440 Polyetheretherketone (PEEK), monofilament, diam. 0.2?mm, L 20?m, condition type a 1EA $619 2026-03-19 Buy
Sigma-Aldrich GF73416225 Polyetheretherketone (PEEK), film, thickness 0.006?mm, L 1?m, transparent pale amber 1EA $900 2026-03-19 Buy
Sigma-Aldrich GF01307540 Polyetheretherketone (PEEK), film, thickness 0.038?mm, size 150 × 150?mm, transparent pale amber 5EA $1380 2026-03-19 Buy
Sigma-Aldrich GF61709711 Polyetheretherketone (PEEK), mesh, nominal aperture 1100ám, size 500 × 500?mm, monofil diameter 400ám 1EA $1930 2026-03-19 Buy
Sigma-Aldrich GF71573407 Polyetheretherketone (PEEK), film, thickness 0.006?mm, size 300 × 300?mm, transparent pale amber 5EA $1910 2026-03-19 Buy
Sigma-Aldrich GF00222657 Polyetheretherketone (PEEK), film, thickness 0.038?mm, size 300 × 300?mm, transparent pale amber 5EA $1650 2026-03-19 Buy
Sigma-Aldrich GF01307540 Polyetheretherketone (PEEK), film, thickness 0.038?mm, size 150 × 150?mm, transparent pale amber 10EA $2530 2026-03-19 Buy
Sigma-Aldrich GF87965320 Polyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 500?mm, wall thickness 0.675?mm 10ea $3900 2026-03-19 Buy
Sigma-Aldrich GF71573407 Polyetheretherketone (PEEK), film, thickness 0.006?mm, size 300 × 300?mm, transparent pale amber 10EA $3480 2026-03-19 Buy
Sigma-Aldrich GF10303726 Polyetheretherketone (PEEK), tube, outside diameter 1.6mm, L 200?mm, wall thickness 0.675?mm 10ea $3080 2026-03-19 Buy
Sigma-Aldrich GF00537083 Polyetheretherketone (PEEK), granule, 6?mm nominal granule size, weight 50?g, condition high viscosity 1EA $281 2026-03-19 Buy
Sigma-Aldrich GF08131205 Polyetheretherketone (PEEK), bolt, size m2 x 10 mm, head style cross recessed pan head 1EA $181 2026-03-19 Buy
Sigma-Aldrich GF38214828 Polyetheretherketone (PEEK), monofilament, diam. 0.15?mm, L 5?m, condition type c, pigmented 1EA $366 2026-03-19 Buy
Sigma-Aldrich GF34203888 Polyetheretherketone (PEEK), film, thickness 0.1?mm, L 1?m, transparent pale amber 1EA $755 2026-03-19 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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