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Name |
Tetrafluorophthalic acid |
EINECS | 211-483-4 |
CAS No. | 652-03-9 | Density | 1.6239 (estimate) |
PSA | 74.60000 | LogP | 1.63940 |
Solubility | N/A | Melting Point |
162-164 °C |
Formula | C8H2F4O4 | Boiling Point | 345.7 °C at 760 mmHg |
Molecular Weight | 238.095 | Flash Point | 162.9 °C |
Transport Information | N/A | Appearance | White to light yellow crystal powder |
Safety | 26-37/39 | Risk Codes | 36/37/38 |
Molecular Structure | Hazard Symbols | Xi | |
Synonyms |
Phthalicacid, tetrafluoro- (6CI,7CI,8CI);3,4,5,6-Tetrafluorophthalic acid; |
Article Data | 38 |
N-methyl-tetrafluorophthalimide
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
With sulfuric acid; benzyltriethylammonium bromide at 45 - 50℃; for 15h; Temperature; | 95.7% |
octafluoro-1,3-dihydroisobenzofuran
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
With sulfuric acid for 3h; Heating; | 94% |
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
With sulfuric acid; cetyltrimethylammonim bromide at 110℃; for 8h; | 88.6% |
With sulfuric acid In water | 67% |
perfluorobenzocyclobutenedione
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
Stage #1: perfluorobenzocyclobutenedione With bromine at 130℃; for 17.5h; Stage #2: With hydrogenchloride for 120h; Further stages.; | 86% |
Stage #1: perfluorobenzocyclobutenedione With antimony pentafluoride at 130℃; for 4.5h; Stage #2: With hydrogenchloride Further stages.; | 70% |
perfluorobenzocyclobutene
A
perfluorobenzocyclobutenedione
B
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
Stage #1: perfluorobenzocyclobutene With antimony pentafluoride; silica gel at 70℃; for 5h; Stage #2: With hydrogenchloride Further stages.; | A 86% B 7% |
perfluorobenzocyclobutene
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
With antimony pentafluoride; trifluoroacetic acid at 95℃; for 28h; | 85% |
Conditions | Yield |
---|---|
In water | 82% |
With hydrogenchloride In water |
hexachloro-phthalide
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
With hydrogenchloride; potassium fluoride In tetrahydrofuran; sulfolane | 81% |
carbon monoxide
perfluorobenzocyclobutenone
A
3,4,5,6-tetrafluorophthalic acid
Conditions | Yield |
---|---|
Stage #1: carbon monoxide; perfluorobenzocyclobutenone With antimony pentafluoride at 20℃; under 760.051 Torr; for 3h; Stage #2: With hydrogenchloride; water at 0℃; | A 10 %Spectr. B 67% |
Conditions | Yield |
---|---|
With dihydrogen peroxide In acetonitrile at 60℃; for 6h; | 65% |
With nitric acid |