2,3,5,6-tetramethylterephthalic acid

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Names

[ CAS No. ]:
14458-05-0

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

[Synonym ]:
2,3,5,6-tetramethyl-1,4-benzenedicarboxylate
tetramethylterephthalic acid
2,3,5,6-tetramethyl-1,4-benzenedicarboxylic acid
2,3,5,6-tetramethylbenzene-1,4-dicarboxylic acid

Chemical & Physical Properties

[ Density]:
1.237g/cm3

[ Boiling Point ]:
402.6ºC at 760mmHg

[ Molecular Formula ]:
C12H14O4

[ Molecular Weight ]:
222.23700

[ Flash Point ]:
211.4ºC

[ Exact Mass ]:
222.08900

[ PSA ]:
74.60000

[ LogP ]:
2.31660

[ Vapour Pressure ]:
3.33E-07mmHg at 25°C

[ Index of Refraction ]:
1.575

Safety Information

[ Hazard Codes ]:
Xi

[ HS Code ]:
2917399090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Carbon dioxide
  • Potassium benzoate
  • 2,2-Dimethylvaleroyl chloride
  • 3,6-Bis(hydroxymethyl)durene
  • 1,4-dibromo-2,3,5,6-tetramethylbenzene
  • 1,2,4,5-Tetramethylbenzene
  • Benzene,1,4-bis(chloromethyl)-2,3,5,6-tetramethyl-
  • 2,3,5,6-tetramethylterephthalaldehyde

DownStream

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

  • 2,3,5,6-tetraiodoterephthalic acid
  • 2,3,5,6-tetrabromobenzoic acid
  • 2,3,5,6-Tetrafluoroterephthalic acid
  • 2,3,5,6-tetrachloroacetanilide
  • 2,3,5,6-Tetrafluoropyridine-4-Propionic Acid
  • (2,3,5,6-tetramethyl-benzenesulfonylamino)-acetic acid
  • 2-(3-Chloro-2-fluorophenyl)ethanethioamide
  • 1-Benzoyl-3-(2-isopropyl-5-methylphenyl)thiourea
  • Benzo[1,2-d:4,5-da(2)]bis[1,2,3]dithiazole
  • (3R)-3-Amino-3-(4-chloro-3-fluorophenyl)propan-1-OL
  • [2-(3-Methoxy-2-methylphenyl)ethyl](methyl)amine
  • 5-hydroxy-1-methyl-1H-pyrazole-4-carboxamide
  • N-(1-Cyano-1-cyclopropylethyl)-2-[(2,2,5,5-tetramethyloxolan-3-YL)amino]acetamide
  • Ethyl 3-(3-hydroxy-2-oxopyridin-1(2h)-yl)propanoate
  • 3a(2),4a(2)-Dihydro-4-hydroxy-2a(2)-phenyl[3,4a(2)-bi-2H-1-benzopyran]-2-one
  • 2-Amino-2-[3-methoxy-4-(trifluoromethyl)phenyl]ethan-1-ol
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