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

Names

[ CAS No. ]:
552-21-6

[ Name ]:
3,3',4,4',5,5'-hexahydroxy-2,2'-methylenedi(benzoic acid)

[Synonym ]:
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

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

Safety Information

[ HS Code ]:
2918290000

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

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%