4,5-dihydroxyphthalic acid

Modify Date: 2024-01-08 18:28:14

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

 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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