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Substance Name: Tetamon iodide
RN: 68-05-3


  • A potassium-selective ion channel blocker. (From J Gen Phys 1994;104(1):173-90)

Molecular Formula

  • C8-H20-N.I

Molecular Weight

  • 257.153
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Names and Synonyms

Results Name

  • Tetamon iodide


  • EINECS 200-676-9
  • N,N,N-Triethylethanaminium iodide
  • NSC 215205
  • Tetamon iodide
  • Tetraethylammonium iodide
  • Tetramon J

Systematic Names

  • Ammonium, tetraethyl-, iodide
  • Ethanaminium, N,N,N-triethyl-, iodide
  • Ethanaminium, N,N,N-triethyl-, iodide (1:1)
  • Tetraethylammonium iodide

Registry Numbers

CAS Registry Number

  • 68-05-3

Related Registry Number

  • 66-40-0 (Parent)

System Generated Number

  • 0000068053

Molecular Formulas

Molecular Formula

  • C8-H20-N.I

Molecular Formula Fragments

  • C8-H20-N
  • I

Structure Descriptors








Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
mouse LD50 intraperitoneal 35mg/kg (35mg/kg)   Bulletin of Experimental Biology and Medicine Vol. 61, Pg. 291, 1966.
mouse LD50 intravenous 56mg/kg (56mg/kg)   U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#00818,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 300 deg C   EXP
log P (octanol-water) -2.82E+00 (none)   EXP
Water Solubility 4.50E+05 mg/L 25 EXP
Vapor Pressure 2.52E-07 mm Hg 25 EST
Henry's Law Constant 8.18E-12 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 3.54E-11 cm3/molecule-sec 25 EST

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