4,4′-(Hexafluoroisopropylidene)diphthalic anhydride
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4,4′-(Hexafluoroisopropylidene)diphthalic anhydride
structure -
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CAS No:
1107-00-2
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Formula:
C19H6F6O6
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Chemical Name:
4,4′-(Hexafluoroisopropylidene)diphthalic anhydride
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Synonyms:
1,3-Isobenzofurandione,5,5′-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis-;Phthalic anhydride,4,4′-[trifluoro-1-(trifluoromethyl)ethylidene]di-;Phthalic anhydride,4,4′-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]di-;5,5′-[2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene]bis[1,3-isobenzofurandione];2,2-Bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride;[2,2,2-Trifluoro-1-(trifluoromethyl)ethylidene]diphthalic anhydride;Hexafluoroisopropylidene-2,2-bis(phthalic anhydride);6FDA;4,4′-(Hexafluoroisopropylidene)bis(phthalic anhydride);4,4′-(Hexafluoroisopropylidene)diphthalic anhydride;Hexafluoroisopropylbis(phthalic dianhydride);4,4′-Hexafluoroisopropylidenebisphthalic dianhydride;2,2-Bis(3,4-dicarboxyphenyl)-1,1,1,3,3,3-hexafluoropropane dianhydride;4,4′-Hexafluoroisopropylidenebis(benzene-1,2-dicarboxylic acid dianhydride);4,4′-(Hexafluoroisopropylidene)diphthalic dianhydride;4,4′-Hexafluoropropylidene bisphthalic acid dianhydride;6FPA;4,4′-(2,2-Hexafluoroisopropylidene)diphthalic acid dianhydride;4,4′-(Hexafluoroisopropylidene) biphthalic anhydride;H 1438;2,2′-Bis(3,4′-dicarboxyphenyl)hexafluoropropane dianhydride;4,4′-(Hexafluoroisopropylidene)diphthalic acid anhydride;5,5′-(Perfluoropropane-2,2-diyl)bis(isobenzofuran-1,3-dione);4,4′-(2,2-Hexafluoroisopropylidene)diphthalic dianhydride;4,4-(Hexafluoroisopropylidene)diphthalic anhydride;144423-35-8;163915-35-3;215233-32-2;900812-15-9;1300617-21-3
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CAS No:
4,4′-(Hexafluoroisopropylidene)diphthalic anhydride Basic Attributes
444.24
444.24
214-170-0
DTXSID7061487
2932999099
Characteristics
86.7
4.6
White Powder
1.7±0.1 g/cm3
250-254 °C
494.5ºC at 760 mmHg
243.7±23.6 °C
1.556
Safety Information
II
8
UN 3261 8/PG 2
1
R34
S26-S36/37/39-S45
C:Corrosive;
P280-P305 + P351 + P338-P310
H314
|Danger|H314 (96.12%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]|P260, P261, P264, P271, P280, P301+P330+P331, P303+P361+P353, P304+P340, P305+P351+P338, P310, P312, P321, P363, P403+P233, P405, and P501|Aggregated GHS information provided by 129 companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.
4,4′-(Hexafluoroisopropylidene)diphthalic anhydride Use and Manufacturing
In a 2000 mL three-necked flask, a mixed solvent of 14.40 g of 4, 4'-(hexafluoroisopropylidene)di-o-xylene and pyridine (200 mL) / water (100 mL) was added. After heating to 100 ° C, 38.0 g of potassium permanganate was added and reacted for 3 hours. After completion of the reaction, a small amount of ethanol was added dropwise to remove unreacted potassium permanganate. After the mixture was filtered, the filtrate was distilled off the pyridine, and then the pH was adjusted to 1. The water was evaporated to dryness, and 320 mL of acetone was added to dissolve the organic matter. The insoluble matter was filtered off and the filtrate evaporated to dryness to obtain hexafluorotric acid in 80percent yield. A mixture of 4.80 g of hexafluorotric acid and 8 mL of acetic anhydride, 8 mL of xylene was added to a 150 mL flask and reacted at 140 ° C for 40 minutes. After completion of the reaction, the crude product was cooled and filtered to obtain the crude product hexafluorodisulfate (6FDA), which was sublimed and dried to obtain a product having a purity of more than 99.5percent in a yield of 79percent.
1,3-Isobenzofurandione, 5,5'-[2,2,2-trifluoro-1-(trifluoromethyl)ethylidene]bis-: ACTIVE
Computed Properties
Molecular Weight:444.2
XLogP3:4.6
Hydrogen Bond Acceptor Count:12
Rotatable Bond Count:2
Exact Mass:444.00685688
Monoisotopic Mass:444.00685688
Topological Polar Surface Area:86.7
Heavy Atom Count:31
Complexity:765
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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4,4′-(Hexafluoroisopropylidene)diphthalic anhydride
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