4,5-dihydroxyphthalic acid

Modify Date: 2025-09-13 23:25:43

4,5-dihydroxyphthalic acid Structure
4,5-dihydroxyphthalic acid structure
Common Name 4,5-dihydroxyphthalic acid
CAS Number 63958-66-7 Molecular Weight 198.13000
Density 1.779g/cm3 Boiling Point 535.8ºC at 760mmHg
Molecular Formula C8H6O6 Melting Point N/A
MSDS N/A Flash Point 291.9ºC

 Names

Name 4,5-dihydroxyphthalic acid
Synonym More Synonyms

 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
InChIKey YZBCICVNBHNLTK-UHFFFAOYSA-N
SMILES O=C(O)c1cc(O)c(O)cc1C(=O)O

 Safety Information

HS Code 2918290000

 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%

 Synonyms

1,2-Benzenedicarboxylic acid,4,5-dihydroxy
4,5-Dhpa
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