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799297

Sigma-Aldrich

1,1,2,2,9,9,10,10-Octafluoro[2.2]paracyclophane

Synonym(s):

α-Perfluorodi-p-xylene, 1,1,2,2,9,9,10,10-Octafluoro-p-cyclophane, 2,2,3,3,8,8,9,9-octafluorotricyclo[8.2.2.24,7]hexadeca-4,6,10,12,13,15-hexaene, Parylene AF 4 dimer

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About This Item

Empirical Formula (Hill Notation):
C16H8F8
CAS Number:
3345-29-7
Molecular Weight:
352.22
MDL number:
MFCD13194972
UNSPSC Code:
12352300
PubChem Substance ID:
329768701

Assay

99% (GC)

Quality Level

100

form

powder

mp

240-250 °C

SMILES string

FC1(F)C2=CC=C(C(F)(F)C(F)(F)C3=CC=C(C1(F)F)C=C3)C=C2

InChI

1S/C16H8F8/c17-13(18)9-1-2-10(4-3-9)14(19,20)16(23,24)12-7-5-11(6-8-12)15(13,21)22/h1-8H

InChI key

KCKIWSAAWFKXMA-UHFFFAOYSA-N

Related Categories

General description

Characteristics of Parylen AF4 coating:
Specialties:
  • Unmatched UV stability
  • Excellent thermal stability at high service temperature (350)
  • Unmatched oxidation stability
  • Completely conformal coating
  • Superior crevice penetration, pin hole free
  • Anti-saline damage
  • Anti-stick ion

Barrier properties:
  • Chemical insolubility and solvent resistant
  • Low water absorption
  • Hydrophobic properties
  • Low gas permeability , no out-gassing

Physical & mechanical properties:
  • Transparent
  • Light-weight and ultra-thin
  • Low CTE
  • Low coefficient of friction
  • Good dry lubricity
  • Abrasion resistance
  • Stabilization of components and structures
  • Particulate immobilization

Electrical properties:
  • Electrical insulation
  • High dielectric strength
  • High volume resistivity ,ohm-cm
  • Low dissipation factor
  • Low dielectric constant
  • Mitigation of tin whisker growth

Biocompatibility and bio-stability
  • USP class VI
  • Microorganism resistance

Application

Parylen AF4 is extremely useful in high temperature applications and those in which long-term UV stability is required.
  • Aerospace
  • Military
  • Electronic
  • Medical
  • Industrial
  • Semiconductor (3D IC TSV electrical insulation , AMOLED De-bonding layer , Barrier layer )
  • Bio-MEMS electrode protection film
  • EWD (Electro Wetting Device) Liquid lens

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

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