2,3,5,6-Tetrafluoroterephthalic acid

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Names

[ CAS No. ]:
652-36-8

[ Name ]:
2,3,5,6-Tetrafluoroterephthalic acid

[Synonym ]:
2,3,5,6-Tetrafluoroterephthalic acid
2,3,5,6-tetrafluorobenzene-1,4-dicarboxylic acid
1,4-Benzenedicarboxylic acid, 2,3,5,6-tetrafluoro-
EINECS 211-489-7
MFCD00012301

Chemical & Physical Properties

[ Density]:
1.8±0.1 g/cm3

[ Boiling Point ]:
337.9±42.0 °C at 760 mmHg

[ Melting Point ]:
275-277 °C (dec.)(lit.)

[ Molecular Formula ]:
C8H2F4O4

[ Molecular Weight ]:
238.093

[ Flash Point ]:
158.1±27.9 °C

[ Exact Mass ]:
237.988922

[ PSA ]:
74.60000

[ LogP ]:
2.74

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.523

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2915900090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Carbon dioxide
  • 1,2,4,5-Tetrafluorobenzene
  • 2,3,5,6-Tetrachloroterephthaloyl chloride
  • 1,2,4,5-Tetrafluor-3,6-bis-[cis-propenyl]-benzol
  • Perfluorobenzene
  • p-dibromotetrafluorobenzene
  • (E)-1,2,3,4,5-pentafluoro-6-(prop-1-en-1-yl)benzene
  • Phenylacetylene

DownStream

  • 2,3,5,6-Tetrafluoro-1,4-benzenedimethanol
  • 4-(hydroxymethyl)-2,3,5,6-tetrafluorobenzoate
  • 1,4-Benzenedicarboxamide,2,3,5,6-tetrafluoro-N1,N4-dihydroxy-
  • CYCLOPENTYL-HYDRAZINE DIHYDROCHLORIDE
  • 2,3,5,6-Tetrafluorobenzoic acid
  • Dimethyl 2,3,5,6-tetrafluoroterephthalate
  • 2,3,5,6-tetrafluorobenzene-1,4-dicarbonyl fluoride
  • 2,3,5,6-TETRAFLUORO-4-(TRIFLUOROMETHYL)BENZOICACID

Customs

[ HS Code ]: 2915900090

[ Summary ]:
2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Related Compounds

  • 2,3,5,6-tetrafluoroterephthalic acid chloride
  • 2,3,5,6-tetrafluoroterephthalic acid difluoride
  • Dimethyl 2,3,5,6-tetrafluoroterephthalate
  • 2,3,5,6-tetramethylterephthalic acid
  • 2,3,5,6-tetrabromobenzoic acid
  • 2,3,5,6-tetraiodoterephthalic acid
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 2-{2-methyl-2H,4H,5H,6H,7H,8H-cyclohepta[c]pyrazol-3-yl}acetic acid
  • 7-Methylenebicyclo[3.2.0]heptan-2-one
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine