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Basic Information
| CAS No.: | 652-03-9 |
|---|---|
| Name: | Tetrafluorophthalic acid |
| Article Data: | 38 |
| Cas Database | |
| Molecular Structure: | |
|
|
|
| Formula: | C8H2F4O4 |
| Molecular Weight: | 238.095 |
| Synonyms: | Phthalicacid, tetrafluoro- (6CI,7CI,8CI);3,4,5,6-Tetrafluorophthalic acid; |
| EINECS: | 211-483-4 |
| Density: | 1.6239 (estimate) |
| Melting Point: | 162-164 °C |
| Boiling Point: | 345.7 °C at 760 mmHg |
| Flash Point: | 162.9 °C |
| Appearance: | White to light yellow crystal powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37/38 |
| Safety: | 26-37/39 |
| PSA: | 74.60000 |
| LogP: | 1.63940 |
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Synthetic route
- 33795-85-6
N-methyl-tetrafluorophthalimide
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| Conditions | Yield |
|---|---|
| With sulfuric acid; benzyltriethylammonium bromide at 45 - 50℃; for 15h; Temperature; | 95.7% |
- 122180-11-4
octafluoro-1,3-dihydroisobenzofuran
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| Conditions | Yield |
|---|---|
| With sulfuric acid for 3h; Heating; | 94% |
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| Conditions | Yield |
|---|---|
| With sulfuric acid; cetyltrimethylammonim bromide at 110℃; for 8h; | 88.6% |
| With sulfuric acid In water | 67% |
- 59514-37-3
perfluorobenzocyclobutenedione
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| 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% |
- 52196-63-1
perfluorobenzocyclobutene
A
- 59514-37-3
perfluorobenzocyclobutenedione
B
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| Conditions | Yield |
|---|---|
| Stage #1: perfluorobenzocyclobutene With antimony pentafluoride; silica gel at 70℃; for 5h; Stage #2: With hydrogenchloride Further stages.; | A 86% B 7% |
- 52196-63-1
perfluorobenzocyclobutene
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| Conditions | Yield |
|---|---|
| With antimony pentafluoride; trifluoroacetic acid at 95℃; for 28h; | 85% |
Conditions
| Conditions | Yield |
|---|---|
| In water | 82% |
| With hydrogenchloride In water |
- 34973-43-8
hexachloro-phthalide
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| Conditions | Yield |
|---|---|
| With hydrogenchloride; potassium fluoride In tetrahydrofuran; sulfolane | 81% |
- 201230-82-2
carbon monoxide
- 59514-38-4
perfluorobenzocyclobutenone
A
- 652-03-9
3,4,5,6-tetrafluorophthalic acid
Conditions
| 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% |
...Expand
Conditions
| Conditions | Yield |
|---|---|
| With dihydrogen peroxide In acetonitrile at 60℃; for 6h; | 65% |
| With nitric acid |
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Tetrafluorophthalic acid
Chemistry
Molecular Formula:C8H2F4O4
Molar mass:238.092693g/mol
Structure of Tetrafluorophthalic acid(652-03-9):
Synonyms of Tetrafluorophthalic acid(652-03-9):3,4,5,6-Tetrafluorophthalic acid;1,2-Benzenedicarboxylic acid, 3,4,5,6-tetrafluoro-;2,3,5,6-Tetrafluoro terephthalic acid;3,4,5,6-TETRAFLUOROBENZENE-1,2-DICARBOXYLIC ACID;2,3,4,5-TETRAFLUORO-PHTHALIC ACID
Density:1.812 g/cm3
Flash Point:162.9 °C
Boiling Point:345.7 °C at 760 mmHg
Index of Refraction:1.522
Vapour Pressure:2.3E-05 mmHg at 25°C
Melting point:152-154 °C(lit.)
Appearance:White to light yellow crystal powder
Molar mass:238.092693g/mol
Structure of Tetrafluorophthalic acid(652-03-9):
Synonyms of Tetrafluorophthalic acid(652-03-9):3,4,5,6-Tetrafluorophthalic acid;1,2-Benzenedicarboxylic acid, 3,4,5,6-tetrafluoro-;2,3,5,6-Tetrafluoro terephthalic acid;3,4,5,6-TETRAFLUOROBENZENE-1,2-DICARBOXYLIC ACID;2,3,4,5-TETRAFLUORO-PHTHALIC ACID
Density:1.812 g/cm3
Flash Point:162.9 °C
Boiling Point:345.7 °C at 760 mmHg
Index of Refraction:1.522
Vapour Pressure:2.3E-05 mmHg at 25°C
Melting point:152-154 °C(lit.)
Appearance:White to light yellow crystal powder
Uses
Tetrafluorophthalic acid(652-03-9) can be used for lubricants, surface active agent and so on.
Safety Profile
Hazard Codes:Xi
Risk Statements:
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
Risk Statements:
36: Irritating to the eyes
37: Irritating to the respiratory system
38: Irritating to the skin
Safety Statements:
26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
36: Wear suitable protective clothing
37: Wear suitable gloves
39: Wear eye/face protection
Specification
Product Categories of Tetrafluorophthalic acid(652-03-9): API intermediates;Polymer Science;Phthalic Acids,Esters and Derivatives;Carboxylic Acid Monomers;Monomers