3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)

Modify Date: 2025-08-25 09:10:37

3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid) Structure
3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid) structure
Common Name 3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)
CAS Number 552-21-6 Molecular Weight 352.25000
Density 1.909g/cm3 Boiling Point 820.9ºC at 760 mmHg
Molecular Formula C15H12O10 Melting Point N/A
MSDS N/A Flash Point 464.1ºC

 Names

Name 2-[(6-carboxy-2,3,4-trihydroxyphenyl)methyl]-3,4,5-trihydroxybenzoic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.909g/cm3
Boiling Point 820.9ºC at 760 mmHg
Molecular Formula C15H12O10
Molecular Weight 352.25000
Flash Point 464.1ºC
Exact Mass 352.04300
PSA 195.98000
LogP 0.90740
Index of Refraction 1.825
InChIKey HEFYRPDDQCAYRU-UHFFFAOYSA-N
SMILES O=C(O)c1cc(O)c(O)c(O)c1Cc1c(C(=O)O)cc(O)c(O)c1O

 Safety Information

HS Code 2918290000

 Synthetic Route

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3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid) Structure

3,3',4,4',5,5'-...

CAS#:552-21-6

Literature: Baeyer Chemische Berichte, 1872 , vol. 5, p. 1098

~%

3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid) Structure

3,3',4,4',5,5'-...

CAS#:552-21-6

Literature: Moehlau; Kahl Chemische Berichte, 1898 , vol. 31, p. 271

 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

Benzoic acid,2,2'-methylenebis[3,4,5-trihydroxy
3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)
EINECS 209-005-4
3,4,5,3',4',5'-hexahydroxy-2,2'-methanediyl-di-benzoic acid
Methylenedigallic acid
2,2'-methylenebis(3,4,5-trihydroxybenzoic acid)
3,4,5,3',4',5'-Hexahydroxy-2,2'-methandiyl-di-benzoesaeure
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