Description

4,4′-(2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene)diphthalic anhydride (CAS No. 1107-00-2) is a high-purity fluorinated aromatic anhydride with the molecular formula C₁₉H₆F₆O₆. This specialized compound is widely recognized for its role as a key monomer in the synthesis of advanced polyimides and other high-performance polymers. Its unique hexafluoroisopropylidene bridging group imparts exceptional thermal stability, chemical resistance, and low dielectric constants to resulting materials. The product is supplied as a fine crystalline powder with ≥98% purity (HPLC), ensuring consistency for demanding research and industrial applications. Proper storage under inert atmosphere is recommended to maintain stability.

Applications include use as a precursor for fluorinated polyimides in microelectronics, aerospace composites, and high-temperature adhesives. Researchers value this anhydride for developing materials with enhanced solubility in organic solvents compared to non-fluorinated analogs. The compound’s IUPAC name is 5-[2-(1,3-dioxo-2-benzofuran-5-yl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-benzofuran-1,3-dione.

Properties

• CAS Number: 1107-00-2
• Complexity: 765
• IUPAC Name: 5-[1-(1,3-dioxoisobenzofuran-5-yl)-2,2,2-trifluoro-1-(trifluoromethyl)ethyl]isobenzofuran-1,3-dione
• InChI: InChI=1S/C19H6F6O6/c20-18(21,22)17(19(23,24)25,7-1-3-9-11(5-7)15(28)30-13(9)26)8-2-4-10-12(6-8)16(29)31-14(10)27/h1-6H
• InChI Key: QHHKLPCQTTWFSS-UHFFFAOYSA-N
• Exact Mass: 444.00685688
• Molecular Formula: C19H6F6O6
• Molecular Weight: 444.2
• SMILES: C1=CC2=C(C=C1C(C3=CC4=C(C=C3)C(=O)OC4=O)(C(F)(F)F)C(F)(F)F)C(=O)OC2=O
• Topological: 86.7
• Monoisotopic Mass: 444.00685688
• Synonyms: 4,4′-(Hexafluoroisopropylidene)diphthalic anhydride, 1,3-Isobenzofurandione, 5,5′-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis-, 1,3-Isobenzofurandione, 5,5′-(2,2,2-trifluoro-1-(trifluoromethyl)ethylidene)bis-, 4,4′-(2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene)diphthalic anhydride, 4,4′-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]diphthalic anhydride, 214-170-0, 1107-00-2, 5,5′-(Perfluoropropane-2,2-diyl)bis(isobenzofuran-1,3-dione), 4,4′-(hexafluoroisopropylidene)diphthalicanhydride, 2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane, 4,4′-(Hexafluoroisopropylidene)bis(phthalic anhydride), N2GA6JCU7H, 5-[2-(1,3-dioxo-2-benzofuran-5-yl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-2-benzofuran-1,3-dione, 1,3-Isobenzofurandione,5,5′-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis-, MFCD00039143, 2,2-bis(3,4-dicarboxyphenyl)-1,1,1,3,3,3-hexafluoropropane dianhydride, 4,4-(hexafluoroisopropylidene)diphthalic anhydride, 4,4′-(hexafluoroisopropylidene)diphthalic anhydride(6FDA), 6FDA, C19H6F6O6, EINECS 214-170-0, 6FPA, UNII-N2GA6JCU7H, 5,5′-(1,1,1,3,3,3-Hexafluoropropane-2,2-diyl)bis(2-benzofuran-1,3-dione), SCHEMBL49774, 2,2′-bis(3,4-anhydrodicarboxylphenyl)hexafluoropropane, DTXSID7061487, 2,2′-Bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride, 2,2′-bis-(3,4-dicarboxyphenyl)hexafluoropropane dianhydride, STL575550, AKOS005063720, CS-W008485, 5-[1-(1,3-dioxoisobenzofuran-5-yl)-2,2,2-trifluoro-1-(trifluoromethyl)ethyl]isobenzofuran-1,3-dione, AS-14396, H0771, H1438, NS00045109, ST50979253, H-0771, AG-690/11960951, 4,4′-(Hexafluoroisopropylidene)diphthalic anhydride, Hexafluoroisopropylidene-2,2-bis(phthalic anhydride), 4,4′-(hexafluoroisopropylidene)bis-phthalic anhydride, Q17189219, 4,4′-(Hexafluoroisopropylidene)diphthalic anhydride, 99%, [2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene]diphthalic anhydride, 4,4′-(Hexafluoroisopropylidene)diphthalic Anhydride, 98+ Percent, 4,4 inverted exclamation mark -(hexafluoroisopropylidene) diphthalic anhydride, 4,4′-(Hexafluoroisopropylidene)diphthalic Anhydride (purified by sublimation), 5,5′-[2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene]-bis(1,3-isobenzofurandione), 5,5′-[2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene]bis[1,3-isobenzofurandione], 5,5′[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]-bis-1,3-isobenzofurandione, Phthalic anhydride, 4,4′-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]di-, 5-[1-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-yl)-2,2,2-trifluoro-1-(trifluoromethyl)ethyl]-2-benzofuran-1,3-dione, 5-[1-(1,3-dioxoisobenzofuran-5-yl)-2,2,2-trifluoro-1-(trifluoromethyl)ethyl]is obenzofuran-1,3-dione, 5-[2-(1,3-dioxo-1,3-dihydro-2-benzofuran-5-yl)-1,1,1,3,3,3-hexafluoropropan-2-yl]-1,3-dihydro-2-benzofuran-1,3-dione

Application

This fluorinated dianhydride serves as a critical building block for high-performance polyimides used in flexible printed circuits and semiconductor encapsulants. The hexafluoroisopropylidene moiety improves polymer solubility while maintaining excellent thermal stability (>500°C). Researchers utilize it to develop advanced dielectric materials for next-generation microelectronics. The compound’s unique structure also facilitates studies of structure-property relationships in fluorinated polymers.

Safety and Hazards

GHS Hazard Statements

• H314 (94.7%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H318 (91.6%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H335 (54.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P260, P261, P264, P264+P265, P271, P280, P301+P330+P331, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P319, P321, P363, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Corr. 1B (94.7%)
• Eye Dam. 1 (91.6%)
• STOT SE 3 (54.7%)

If you are interested or have any questions, please contact us at support@atomfair.com

Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.