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
  • 6-Isobutyl-4-methyl-pyridine-2-carboxylic acid hydrochloride
  • 2-(Isopropylamino)-6-methylisonicotinic acid hydrochloride
  • 2,6-Diisobutylisonicotinic acid hydrochloride
  • 1-Methyl-5-(trifluoromethoxy)indole-2-carboxylic acid
  • ethyl 5-methyl-2,3-dihydro-1H-indole-2-carboxylate
  • 2-Bromo-4-butyl-1-fluorobenzene
  • 1-ethyl-1H-indazol-4-amine
  • (4-Fluoromethylpyrimidin-2-yl)carbamic acid tert-butyl ester
  • 1,1-Dimethylethyl 4-(3-chloro-1H-indol-4-yl)-1-piperazinecarboxylate
  • (3aR,6aS)-hexahydro-1H-2lambda6-thieno[3,4-c]pyrrole-2,2-dione
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