4,5-dihydroxyphthalic acid

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Names

[ CAS No. ]:
63958-66-7

[ Name ]:
4,5-dihydroxyphthalic acid

[Synonym ]:
1,2-Benzenedicarboxylic acid,4,5-dihydroxy
4,5-Dhpa

Chemical & Physical Properties

[ Density]:
1.779g/cm3

[ Boiling Point ]:
535.8ºC at 760mmHg

[ Molecular Formula ]:
C8H6O6

[ Molecular Weight ]:
198.13000

[ Flash Point ]:
291.9ºC

[ Exact Mass ]:
198.01600

[ PSA ]:
115.06000

[ LogP ]:
0.49420

[ Index of Refraction ]:
1.717

Safety Information

[ HS Code ]:
2918290000

Synthetic Route

Click to get detail synthetic route

Customs

[ HS Code ]: 2918290000

[ Summary ]:
HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Related Compounds

  • 3,6-dichloro-4,5-dihydroxyphthalic acid
  • cis-4,5-dihydro-4,5-dihydroxyphthalic acid
  • 4,5-DIFLUOROANTHRANILIC ACID HYDROCHLORIDE
  • 4,5-Isoxazoledicarboxylic acid,3-[(diethoxyphosphinyl)methyl]-4,5-dihydro-
  • 4-(5-methylsulfonylpentoxy)benzoic acid
  • 4-(5-methylsulfinylpentoxy)benzoic acid
  • 2-{3-[(4-bromo-1H-pyrazol-1-yl)methyl]azetidin-1-yl}-4-(trifluoromethyl)pyrimidine
  • 1-(4-{[1-(5-Cyclopropyl-1,3,4-thiadiazol-2-yl)piperidin-4-yl]oxy}but-2-yn-1-yl)-4-methylpiperazine
  • 5-Chloro-6-[methyl-(1-pyrazin-2-ylazetidin-3-yl)amino]pyridine-3-carbonitrile
  • 3-Methyl-6-(5-{[3-(propan-2-yl)-1,2,4-oxadiazol-5-yl]methyl}-octahydropyrrolo[3,4-c]pyrrol-2-yl)pyridazine
  • 2-[4-(2-Cyclopropylpyrimidin-4-yl)piperazin-1-yl]-N,N,6-trimethylpyrimidin-4-amine
  • 2-[4-(2-Cyclopropyl-6-methylpyrimidin-4-yl)piperazin-1-yl]-N,N-dimethylpyrimidin-4-amine
  • 4-[4-(6-Ethyl-5-fluoropyrimidin-4-yl)piperazin-1-yl]-2-(pyrrolidin-1-yl)pyrimidine
  • 5-Chloro-6-[3-(triazol-2-yl)azetidin-1-yl]pyridine-3-carbonitrile
  • 5-[5-(6-Tert-butylpyridazin-3-yl)-octahydropyrrolo[3,4-c]pyrrol-2-yl]pyridine-2-carbonitrile
  • 4-{2-[4-(5-Ethylpyrimidin-2-yl)piperazin-1-yl]pyrimidin-4-yl}morpholine
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