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
5-Bromo-3-(2,2,2-trifluoroacetamido)pyridine-2-carboxylic acid
5-Chloro-3-hydrazinyl-2-methylquinoline
4,4,4-Trifluoro-3-{7-oxabicyclo[2.2.1]heptan-2-yl}butanoic acid
Benzyl 4-(4-chloro-2-hydroxyphenyl)piperazine-1-carboxylate
rac-(1R,3R)-3-(isoquinolin-5-yl)-2,2-dimethylcyclopropane-1-carboxylic acid
2-(4-Acetamido-2-fluorophenyl)acetic acid
benzyl N-[1-(2-fluoropyridin-4-yl)-1H-pyrazol-4-yl]carbamate
tert-butyl (2S)-2-amino-3-{bicyclo[1.1.1]pentan-1-yl}propanoate
benzyl N-(2-methylbut-3-en-1-yl)carbamate
Benzyl 4-(3-bromophenyl)piperazine-1-carboxylate

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