IUPAC Name: 4-Hydroxynaphthalene-1-sulfonic acid
Molecular Formula: C₁₀H₈O₄S
Molecular Weight: 224.23 g/mol
Canonical SMILES: c12c(c(ccc1S(O)(=O)=O)O)cccc2
InChI: InChI=1/C10H8O4S/c11-9-5-6-10(15(12,13)14)8-4-2-1-3-7(8)9/h1-6,11H,(H,12,13,14)
Mol File: 84-87-7.mol
EINECS: 201-568-4
Product Categories: Intermediates of Dyes and Pigments
XLogP3: 2.1
H-Bond Donor: 2
H-Bond Acceptor: 4
Rotatable Bond Count: 1
Tautomer Count: 2
Exact Mass: 224.014329
Topological Polar Surface Area: 74.6
Heavy Atom Count: 15
Complexity: 319
Index of Refraction: 1.703
Molar Refractivity: 56.18 cm³
Molar Volume: 144.7 cm³
Polarizability: 22.27×10^-24 cm³
Surface Tension: 71.1 dyne/cm
Density: 1.549 g/cm³
Melting Point: 170 °C
Water Solubility: 2.95E+05 mg/L at 25 °C
Henry's Law Constant: 2.56E-14 atm-m³/mole at 25 °C
Atmospheric OH Rate Constant: 1.61E-11 cm³/molecule-sec at 25 °C
Vapour Pressure of 1-Naphthol-4-sulfonic acid (CAS NO.84-87-7): 9.03E-10 mm Hg at 25 °C

 1-Naphthol-4-sulfonic acid (CAS NO.84-87-7) is used in reaction electrophoresis.

  1-Naphthol-4-sulfonic acid (CAS NO.84-87-7), its Synonyms are 1-Naphthalenesulfonic acid, 4-hydroxy- ; 4-Hydroxynaphthalene-1-sulphonic acid ; 1,4-Oxy Acid ; 1-Hydroxy-4-naphthalenesulfonic acid ; 1-Naphtho-4-sulfonic acid ; 4-Hydroxy-1-naphthalenesulfonic acid ; Nevile and Winther's acid ; Neville-winther acid ; alpha-Naphthol-4-sulfonic acid .