Pamoic acid

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Pamoic acid[1][2]
IUPAC name 4-[(3-Carboxy-2-hydroxy-1-naphthyl)methyl]-3-hydroxy-2-naphthalenecarboxylic acid
Other names Embonic acid
Identifiers
CAS number [130-85-8]
PubChem 8546
SMILES C1=CC=C2C(=C1)C=C(C(=C2CC3=C (C(=CC4=CC=CC=C43)C(=O)O)O)O)C(=O)O
Properties
Molecular formula C23H16O6
Molar mass 388.38 g/mol
Melting point

≥300 °C (dec.)

Solubility in water Insoluble
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

Pamoic acid, also called embonic acid, is a naphthoic acid derivative. It can be prepared by the reaction of 2-hydroxy-3-naphthoic acid with formaldehyde.[1]

[edit] References

  1. ^ a b Merck Index, 12th Edition, 7136.
  2. ^ Pamoic acid at Sigma-Aldrich