4-(Difluoromethyl)benzoic acid

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Names

[ CAS No. ]:
55805-21-5

[ Name ]:
4-(Difluoromethyl)benzoic acid

[Synonym ]:
4-Carboxybenzalfluorid
4-(Difluoromethyl)benzoic acid
Benzoic acid, 4-(difluoromethyl)-
p-difluoromethylbenzoic acid
4-difluoromethyl-benzoic acid

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
271.6±35.0 °C at 760 mmHg

[ Melting Point ]:
203-205ºC

[ Molecular Formula ]:
C8H6F2O2

[ Molecular Weight ]:
172.129

[ Flash Point ]:
118.1±25.9 °C

[ Exact Mass ]:
172.033585

[ PSA ]:
37.30000

[ LogP ]:
2.27

[ Vapour Pressure ]:
0.0±0.6 mmHg at 25°C

[ Index of Refraction ]:
1.503

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2916399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Methyl 4-(difluoromethyl)benzoate
  • 4-(Difluoromethyl)benzonitrile
  • Lead dioxide
  • 4-Methylbenzoic acid
  • 4-Cyanobenzaldehyde
  • Methyl 4-formylbenzoate

DownStream

  • Methyl 4-(difluoromethyl)benzoate

Customs

[ HS Code ]: 2916399090

[ Summary ]:
2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Related Compounds

  • 3-Bromo-4-(difluoromethyl)benzoic acid
  • 3,5-Difluoro-4-(difluoromethyl)benzoic acid
  • 4-(Difluoro-methanesulfonyl)-benzoic acid
  • 4-(Difluoromethyl)-3-iodobenzoic acid
  • 2,4-dichloro-3-(difluoromethyl)benzoic acid
  • Ethyl-4-(difluoromethyl)benzoate
  • N-[2-(3-aminocyclopentyl)ethyl]-1-(azetidin-3-yl)-1H-pyrazol-5-amine
  • N-[1-(azetidin-3-yl)-1H-pyrazol-5-yl]-3-azabicyclo[3.1.0]hexane-1-carboxamide
  • 3-[5-(Hydroxymethyl)-1,2,4-oxadiazol-3-yl]benzoic acid
  • [1-(2,2-difluoropropyl)-5-(1-methyl-1H-pyrazol-5-yl)-1H-1,2,3-triazol-4-yl]methanamine
  • 5-(1-methyl-1H-pyrazol-5-yl)-1-{[(2R)-oxolan-2-yl]methyl}-1H-1,2,3-triazol-4-amine
  • 2-{[(2-Methoxyethyl)carbamoyl]amino}-1,3-oxazole-5-carboxylic acid
  • 4-fluoro-1-methyl-3-(2-methyloxolan-2-yl)-1H-pyrazol-5-amine
  • (3R)-3-{[(tert-butoxy)carbonyl]amino}-3-[3-fluoro-5-(trifluoromethyl)phenyl]propanoic acid
  • 1-(azetidin-3-yl)-N-[(4,4-difluoropyrrolidin-2-yl)methyl]-1H-pyrazol-5-amine
  • 2-amino-N-[1-(azetidin-3-yl)-1H-pyrazol-5-yl]-1,3-thiazole-5-carboxamide
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