3,6-Difluorophthalic acid

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Names

[ CAS No. ]:
651-97-8

[ Name ]:
3,6-Difluorophthalic acid

[Synonym ]:
QVR BF EF FVQ
3,6-Difluorophthalic acid
1,2-Benzenedicarboxylic acid, 3,6-difluoro-
MFCD03840499
3,6-difluorobenzene-1,2-dicarboxylic acid

Chemical & Physical Properties

[ Density]:
1.6±0.1 g/cm3

[ Boiling Point ]:
357.0±42.0 °C at 760 mmHg

[ Melting Point ]:
184°C

[ Molecular Formula ]:
C8H4F2O4

[ Molecular Weight ]:
202.112

[ Flash Point ]:
169.7±27.9 °C

[ Exact Mass ]:
202.007767

[ PSA ]:
74.60000

[ LogP ]:
1.23

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

[ Index of Refraction ]:
1.566

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
26-37

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • N,N-DIETHYL-3,6-DIFLUOROPHTHALAMIC ACID
  • 2,5-Difluorobenzoyl chloride
  • N,N-Diethyl-2,5-difluorobenzamide

DownStream

  • 3,6-Difluorophthalic anhydride
  • 1,4-Difluoro-5,8-dihydroxyanthraquinone
  • 9,10-Anthracenedione,1,4-bis[[2-(dimethylamino)ethyl]amino]-

Customs

[ HS Code ]: 2917399090

[ Summary ]:
2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Related Compounds

  • 3,6-Difluorophthalic anhydride
  • 3,6-dimethoxyphthalic acid
  • 3,6-Dioxaoctanedioic acid
  • 3,6-dinitrophthalic acid
  • 3,6-Dichlorosalicylic acid
  • 3,6-Dichloropicolinic acid