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Substance Name: 1-Naphthol-4-sulfonic acid
RN: 84-87-7
UNII: 6W41U3C9YN
InChIKey: HGWQOFDAUWCQDA-UHFFFAOYSA-N

Note

  • Used in reaction electrophoresis.

Molecular Formula

  • C10-H8-O4-S

Molecular Weight

  • 224.2352
 
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Names and Synonyms

Name of Substance

  • 1-Naphthol-4-sulfonic acid

Synonyms

  • 1,4-Oxy Acid
  • 1-Hydroxy-4-naphthalenesulfonic acid
  • 1-Naphtho-4-sulfonic acid
  • 1-Naphthol-4-sulfonic acid
  • 4-Hydroxy-1-naphthalenesulfonic acid
  • alpha-Naphthol-4-sulfonic acid
  • EC 201-568-4
  • EINECS 201-568-4
  • Nevile and Winther's acid
  • Neville-winther acid
  • NSC 9587
  • NW Acid
  • UNII-6W41U3C9YN

Systematic Names

  • 1-Naphthalenesulfonic acid, 4-hydroxy-
  • 4-Hydroxynaphthalene-1-sulphonic acid

Registry Numbers

CAS Registry Number

  • 84-87-7

FDA UNII

  • 6W41U3C9YN

Related Registry Numbers

  • 37860-62-1 (potassium salt)
  • 6099-57-6 (hydrochloride salt)

System Generated Number

  • 0000084877

Structure Descriptors

InChI

1S/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)

InChIKey

HGWQOFDAUWCQDA-UHFFFAOYSA-N

Smiles

c1ccc2c(c1)c(ccc2S(=O)(=O)O)O

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 170 dec deg C   EXP
log P (octanol-water) -0.44 (none)   EXP
Water Solubility 2.95E+05 mg/L 25 EST
Vapor Pressure 9.03E-10 mm Hg 25 EST
Henry's Law Constant 2.56E-14 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.61E-11 cm3/molecule-sec 25 EST

Physical property data is provided to ChemIDplus by SRC, Inc.