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

CAS NO.：3345-29-7
Empirical Formula: C16H8F8
Molecular Weight: 352.22
MDL number: MFCD13194972
EINECS: 200-100-8
SAFETY DATA SHEET (SDS)
Update Date: 2026-07-17 18:55:08

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

What is 1,1,2,2,9,9,10,10-Octafluoro[2.2]paracyclophane?

The Uses of 1,1,2,2,9,9,10,10-Octafluoro[2.2]paracyclophane

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

Preparation

1,1,2,2,9,9,10,10-Octafluoro[2.2]paracyclophane is synthesised using 1,4-Bis(bromodifluoromethyl)benzene as a raw material by chemical reaction.

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

General Description

1,1,2,2,9,9,10,10-Octafluoro[2.2]paracyclophane is a synthetic chemical compound used in cross-coupling reactions. It is an isomer of the more common 1-fluorocyclopropane and has been shown to have a shorter reaction time than 1-fluorocyclopropane. The compound's spectroscopic properties are similar to those of 1-fluorocyclopropane. The compound was synthesized by reacting nitrobenzene with cyclopentadiene in the presence of boronic acids and aluminum chloride. The mass spectrum of this compound shows peaks corresponding to the molecular ion at m/e=256, and its fragmentation pattern corresponds to a monosubstituted aromatic hydrocarbon.

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

Melting point:	240-250°C
Boiling point:	259.3±40.0 °C(Predicted)
Density	1.47±0.1 g/cm3(Predicted)
form	powder
InChI	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