51063

Sigma-Aldrich

Obidoxime chloride

≥95.0% (HPLC)

Synonym(s):
1,1′-(Oxydimethylene)bis(pyridinium-4-carbaldoxime) dichloride, Toxogonin, Bis(4-formylpyridiniomethyl) ether dioxime
Empirical Formula (Hill Notation):
C14H16Cl2N4O3
CAS Number:
Molecular Weight:
359.21
Beilstein/REAXYS Number:
4117377
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.77

Quality Level

assay

≥95.0% (HPLC)

form

powder or crystals

SMILES string

[Cl-].[Cl-].O\N=C\c1cc[n+](COC[n+]2ccc(cc2)\C=N\O)cc1

InChI

1S/C14H14N4O3.2ClH/c19-15-9-13-1-5-17(6-2-13)11-21-12-18-7-3-14(4-8-18)10-16-20;;/h1-10H,11-12H2;2*1H

InChI key

ZIFJVJZWVSPZLE-UHFFFAOYSA-N

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General description

active agent in Toxogonin

Biochem/physiol Actions

Antidote for organophosphate nerve agent poisoning, but, as with other oxime agents, not full spectrum. Obidoxime fails primarily to reactivate acetylcholinesterase that has been inhibited with cyclosarin.
Antidote for organophosphate nerve agent poisoning

Legal Information

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

NONH for all modes of transport

WGK Germany

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis
Certificate of Origin
Franz Worek et al.
Toxicology letters, 200(1-2), 19-23 (2010-10-26)
Previous in vitro studies showed marked species differences in the reactivating efficiency of oximes between human and animal acetylcholinesterase (AChE) inhibited by organophosphorus (OP) nerve agents. These findings provoked the present in vitro study which was designed to determine the...
Jürgen Kufleitner et al.
Journal of microencapsulation, 27(7), 594-601 (2010-10-07)
Intoxication with organophosphorous nerve agents such as paraoxon requires immediate administration of antidotes such as oximes. However, the oximes lack sufficient activity in the central nervous system as they are unable to rapidly penetrate the blood-brain barrier (BBB) in therapeutically...
Marloes J A Joosen et al.
Chemico-biological interactions, 188(1), 255-263 (2010-07-06)
The nerve agent VX is most likely to enter the body via liquid contamination of the skin. After percutaneous exposure, the slow uptake into the blood, and its slow elimination result in toxic levels in plasma for a period of...
Yossi Rosman et al.
Journal of applied toxicology : JAT, 32(6), 409-416 (2011-08-24)
Organophosphate intoxication induces neural toxicity as demonstrated in histological analysis of poisoned animals. Diffusion-weighted magnetic resonance imaging (DWMRI) enables early noninvasive characterization of biological tissues based on their water diffusion characteristics. Our objectives were to study the application of MRI...
R M Dawson
Journal of applied toxicology : JAT, 14(5), 317-331 (1994-09-01)
A review was conducted of papers describing the use of N-methyl-2-pyridinealdoxime (PAM), toxogonin or HI-6 as antidotes to the nerve agents tabun, sarin, soman and VX. The review included use of the oxime alone, oxime plus atropine and oxime plus...

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