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Product Code B2061-LT-10g
Price $113 ex. VAT

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A fluorinated dianhydride building block

Normally used for the synthesis of polyimides in application of gas separation membranes, solar cells, and low-loss telecommunication


4,4'-(Hexafluoroisopropylidene)diphthalic anhydride (6FDA), CAS number 1107-00-2, has two phthalic anhydrides bridged by a perfluorinated isopropyl group. The electron withdrawing effect from trifluoromethyl groups minimises the electron delocalization of the molecule, and thus the dielectric constant of the synthesized polyimides (dielectric constant 2.33). Such low signal loss polyimides are ideal for telecommunication applications.

The polyimides from 6FDA are popular to use for mixed-matrix membranes. The polyimide matrices provide good dispersion for the fillers and can load up to 50 wt% of the fillers. Those membranes have found their applications in highly selective gas separation (CO2/CH4) and solar cell encapsulation (the power conversion efficiency of Si-based solar cells is enhanced from 14.67% to 15.64%).

Multiple functional groups

Multiple functional groups

For facile synthesis

Fluorinated building block

Fluorinated dianhydride building block

For polyimides, COFs, and solar cells

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High purity 1107-00-2

High purity

>99% High purity

General Information

CAS Number 1107-00-2
Chemical Formula C19H6F6O6
Full Name 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride
Molecular Weight 444.24 g/mol
Synonyms 2,2-Bis(3,4-dicarboxyphenyl)-1,1,1,3,3,3-hexafluoropropane, 5-[2-(1,3-dioxo-2-benzofuran-5-yl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-benzofuran-1,3-dione, 4,4'-(Hexafluoroisopropylidene)bis(phthalic anhydride)
Classification / Family Dianhydride building block, Fluorinated building block, Polyimides, Solar cells, Membranes

Chemical Structure

4,4'-(Hexafluoroisopropylidene)diphthalic anhydride (6FDA) chemical structure, CAS 1107-00-2.
4,4'-(Hexafluoroisopropylidene)diphthalic anhydride (6FDA) chemical structure, CAS 1107-00-2

Product Details

Purity >99%
Melting Point Tm = 244 °C – 247 °C
Appearance White to pale yellow powder/crystal

MSDS Documentation

4,4'-(Hexafluoroisopropylidene)diphthalic anhydride (6FDA)4,4'-(Hexafluoroisopropylidene)diphthalic anhydride (6FDA) MSDS Sheet

Literature and Reviews

  1. Aligned metal-organic framework nanoplates in mixed-matrix membranes for high selective CO2/CH4 separation, L. Wang et al., Adv. Mater. Interfaces, 2202524(2023); DOI: 10.1002/admi.202202524.
  2. Design of imide oligomer-mediated MOF clusters for solar cell encapsulation systems by interface fusion strategy, M. Wu et al., Adv. Sci., 10, 2206748(2023); DOI: 10.1002/advs.202206748.
  3. Establishing gas transport highways in MOF-based mixed matrix membranes, C. Li et al., Sci. Adv., 9(13), eadf5087(2023); DOI: 10.1126/sciadv.adf5087.
  4. Low-dielectric polyimide nanofoams derived from 4,4'-(hexafluoroisopropylidene)diphthalic anhydride and 2,2'-bis(trifluoromethyl)benzidine, P. Lv et al., RSC Adv., 7, 4848-4854(2017); DOI: 10.1039/c6ra25604j.
  5. Mixed-matrix membranes containing porous materials for gas separation: from metal-organic frameworks to discrete molecular cages, Z. Yang et al., Engineering, in press(2023); DOI: 10.1016/j.eng.2022.07.022.
  6. Polyimide/crown ether composite film with low dielectric constant and low dielectric loss for high signal transmission, H. Li et al., RSC Adv., 13, 7585-7956(2023); DOI: 10.1039/d2ra07043j.
  7. Sustainable dielectric films with ultralow permittivity from soluble fluorinated polyimide, H Li et al., Molecules, 28, 3095(2023); DOI: 10.3390/molecules28073095.

To the best of our knowledge the information provided here is accurate. The values provided are typical at the time of manufacture and may vary over time and from batch to batch. Products may have minor cosmetic differences (e.g. to the branding) compared to the photos on our website. All products are for laboratory and research and development use only.

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