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Substance Name: 2-Naphthalenesulfonic acid
RN: 120-18-3
UNII: O9S4K2S25E
InChIKey: KVBGVZZKJNLNJU-UHFFFAOYSA-N

Molecular Formula

  • C10-H8-O3-S

Molecular Weight

  • 208.2362
 
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Names and Synonyms

Name of Substance

  • 2-Naphthalenesulfonic acid

Synonyms

  • 2-Naphthalenesulfonic acid
  • 4-11-00-00527 (Beilstein Handbook Reference)
  • AI3-18435
  • beta-Naphthalenesulfonic acid
  • beta-Naphthylsulfonic acid
  • BRN 1955756
  • EC 204-375-3
  • EINECS 204-375-3
  • Kyselina 2-naftalensulfonova
  • Kyselina 2-naftalensulfonova [Czech]
  • UNII-O9S4K2S25E

Systematic Names

  • 2-Naphthalenesulfonic acid
  • 2-Naphthalenesulfonic acid, monohydrate
  • Naphthalene-2-sulphonic acid

Registry Numbers

CAS Registry Number

  • 120-18-3

FDA UNII

  • O9S4K2S25E

Other Registry Number

  • 54257-18-0

System Generated Number

  • 0000120183

Structure Descriptors

InChI

1S/C10H8O3S/c11-14(12,13)10-6-5-8-3-1-2-4-9(8)7-10/h1-7H,(H,11,12,13)

InChIKey

KVBGVZZKJNLNJU-UHFFFAOYSA-N

Smiles

c1ccc2cc(ccc2c1)S(=O)(=O)O

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rat LD50 oral 4440mg/kg (4440mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 39(10), Pg. 101, 1974.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 91 deg C   EXP
log P (octanol-water) 0.63 (none)   EXP
Water Solubility 6.00E+04 mg/L 23 EXP
Vapor Pressure 2.30E-08 mm Hg 25 EST
Henry's Law Constant 2.46E-10 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 4.76E-12 cm3/molecule-sec 25 EST

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