4-Fluoro-2-methylbenzoic acid

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Names

[ CAS No. ]:
321-21-1

[ Name ]:
4-Fluoro-2-methylbenzoic acid

[Synonym ]:
2-Carboxy-5-fluorotoluene
4-Fluoro-2-methylbenzoic acid
4-Fluor-2-methyl-benzoesaeure
2-methyl-4-fluorobenzoic acid
4-Fluoro-o-toluic acid
4-Fluoro-2-methylbenzoicacid
MFCD04115880
Benzoic acid,4-fluoro-2-methyl
Benzoic acid, 4-fluoro-2-methyl-
QVR DF B1
4-Fluoro-2-methyl benzoicacid

Chemical & Physical Properties

[ Density]:
1.3±0.1 g/cm3

[ Boiling Point ]:
265.6±20.0 °C at 760 mmHg

[ Melting Point ]:
168-172 °C(lit.)

[ Molecular Formula ]:
C8H7FO2

[ Molecular Weight ]:
154.138

[ Flash Point ]:
114.5±21.8 °C

[ Exact Mass ]:
154.043015

[ PSA ]:
37.30000

[ LogP ]:
2.53

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

[ Index of Refraction ]:
1.533

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS05, GHS07

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H302-H318

[ Precautionary Statements ]:
P280-P305 + P351 + P338

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

[ Hazard Codes ]:
Xn:Harmful;

[ Risk Phrases ]:
R22;R41

[ Safety Phrases ]:
S26

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ HS Code ]:
2916399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-Bromo-5-fluorotoluene
  • Carbon dioxide
  • 4-Fluoro-2-methylbenzonitrile
  • carbon monoxide
  • dibromoethane
  • 4-Fluorobenzoic acid
  • methyl iodide
  • Tert-Butyllithium
  • 4-Chlorobenzoic acid
  • 4-CHLORO-2-METHYLBENZOIC ACID

DownStream

  • Methyl 4-fluoro-2-methylbenzoate
  • methyl 4-fluoro-2-methyl-5-methylsulfonylbenzoate
  • 4-FLUORO-2-METHYLBENZOYL CHLORIDE
  • Methyl 2-(Bromomethyl)-4-Fluorobenzoate
  • Methyl 4-fluoro-2-methyl-5-nitrobenzoate
  • 2-Cyano-4-fluoro-6-methyl-benzoic acid methyl ester

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

  • 5-Bromo-4-fluoro-2-methylbenzoic acid
  • 3-Chloro-4-fluoro-2-methylbenzoic acid
  • 4-Fluoro-2-methylbenzoic acid ethyl ester
  • 4-fluoro-2-methylbenzoic acid methyl ester
  • 4-fluoro-2-iodo-6-methylbenzoic acid methyl ester
  • 4-Fluoro-2-methoxy-5-methylbenzoic acid