2,3,5,6-tetramethylterephthalic acid

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Names

[ 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-methoxy-1,2-thiazol-5-yl)methyl]-2H-1,2,3-triazol-4-amine
L-Argininamide, N-[(1,1-dimethylethoxy)carbonyl]-L-valyl-L-phenylalanyl-N-(4-methyl-2-oxo-2H-1-benzopyran-7-yl)-
2-(3-chloro-3,3-difluoropropyl)-2H-1,2,3-triazol-4-amine
2-[(4,6-dimethylpyridin-2-yl)methyl]-2H-1,2,3-triazol-4-amine
1-[4-(bromomethyl)-2-chlorophenyl]-4-methanesulfonyl-1H-pyrazole
3-Desaminosulfonyl 2-Aminosulfonyl N-Acetyl Dorzolamide
Pyridine, 3-chloro-2-[2-[1-[4-[(tetrahydro-2H-pyran-2-yl)oxy]phenyl]-4-piperidinyl]ethoxy]-5-(trifluoromethyl)-
Carbamic acid, N-[(2-bromo-6,7-dihydro-5H,9H-imidazo[2,1-c][1,4]oxazepin-7-yl)methyl]-, 1,1-dimethylethyl ester
2-bromo-5-[(4-methanesulfonyl-1H-pyrazol-1-yl)methyl]aniline
5-[(4,6-Dichloro-1,3,5-triazin-2-yl)amino]-2-[(4,6-dichloro-1,3,5-triazin-2-yl)methylamino]benzenesulfonic acid

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