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
  • N-[2-(methanesulfonamidomethyl)cyclopentyl]prop-2-enamide
  • N-{[4-(2-hydroxyethoxy)oxan-4-yl]methyl}prop-2-enamide
  • N-(cyclopropylmethyl)-N-[(2,4-dimethoxyphenyl)methyl]prop-2-enamide
  • N-[2-(1-phenyl-1H-1,2,3,4-tetrazol-5-yl)ethyl]prop-2-enamide
  • N-({2-[(2-fluorophenyl)methoxy]-3-methoxyphenyl}methyl)-N-methylprop-2-enamide
  • N-[(1-Cyclopropyl-2-ethylbenzimidazol-5-yl)methyl]prop-2-enamide
  • 1-[3-(1-benzyl-1H-1,2,4-triazol-5-yl)morpholin-4-yl]prop-2-en-1-one
  • tert-butyl N-({4-[2-(prop-2-enamido)ethoxy]oxan-4-yl}methyl)carbamate
  • tert-butyl N-{2-[N-(2-phenylethyl)prop-2-enamido]ethyl}carbamate
  • 1-[3-(3-Cyclopropyl-1,2,4-oxadiazol-5-yl)-4-methylpiperazin-1-yl]prop-2-en-1-one
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