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OBIDOXIME CHLORIDE

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OBIDOXIME CHLORIDE Basic information

Product Name:
OBIDOXIME CHLORIDE
Synonyms:
  • bis(isonicotinaldoxime1-methyl)etherdichloride
  • bu-6
  • etherbis-14-hydroxy-iminomethylopyridine-(1)-metylodichloride
  • lueh6
  • luh(sub6)
  • luh(sub6)-cl2
  • luh(sup6)-cl(sup2)
  • luh6
CAS:
114-90-9
MF:
C14H16Cl2N4O3
MW:
359.21
EINECS:
204-059-5
Product Categories:
  • Activators
  • Intermediates & Fine Chemicals
  • Pharmaceuticals
  • FURADANTIN
Mol File:
114-90-9.mol
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OBIDOXIME CHLORIDE Chemical Properties

Melting point:
216-219oC dec.
storage temp. 
-20°C Freezer
solubility 
Methanol (Slightly), Water (Slightly)
color 
Off-White to Light Beige
BRN 
4117377
Stability:
Stable. Incompatible with strong oxidizing agents.
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Safety Information

WGK Germany 
2
RTECS 
UU6825000
Toxicity
LD50 in mice, rats (mg/kg): 70, 133 i.v.; 150, 225 i.p.; >2240, >4000 orally; in mice (mg/kg): 172 i.m. (Erdman, Engelhard)

MSDS

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OBIDOXIME CHLORIDE Usage And Synthesis

Chemical Properties

White Crystalline Solid

Originator

Toksobidin,Polfa-Starogard

Uses

antibacterial

Uses

Obidoxime Chloride is a cholinesterase reactivator.

Manufacturing Process

2 Methods of producing of obidoxime chloride: 1. Into a boiling agitated solution of 2.44 g pyridine-4-aldoxime in 10 ml absolute ethanol is added dropwise during the course of 25 min a solution of 1.14 g bis-chloromethyl ether in 5 ml absolute ethanol. The reaction mixture is then refluxed for 35 min, and then agitated for 5 h at room temperature. The precipitate of bis-[4-hydroxyimino-methyl-pyridinium-(1)-methyl]-ether Trade dichloride is thoroughly washed with absolute acetone. The yield is 3.5 g which is 98% of the theoretical, and the melting point is 229°C. If convenient, the mother liquor can be reused to make additional product.
2. 12.2 g (0.1 mole) pyridine-4-aldoxime are dissolved with heating in 125 ml chloroform. Within 25 min, 8.5 g (0.075 mole), α,α-dichlorodimethyl ether in 20 ml chloroform are dropped while stirring into the boiling solution. The reaction mixture is heated for another 35 min. After standing for several hours, the precipitate is filtered off, washed with absolute ethanol, acetone and ether and dried at 80°C. Yield: 17.0 g, 95% of the theoretical, and the melting point is 225°C (dec.).

Therapeutic Function

Antidote

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.

Safety Profile

Poison by intraperitoneal,intravenous, intramuscular, and subcutaneous routes.Moderately toxic by ingestion. When heated todecomposition it emits toxic fumes of Cl- and NOx. Seealso BROMIDES.

OBIDOXIME CHLORIDESupplier

J & K SCIENTIFIC LTD.
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3B Pharmachem (Wuhan) International Co.,Ltd.
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Chemsky(shanghai)International Co.,Ltd.
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Shanghai TaoSu Biochemical Technology Co., Ltd.
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Jiangsu Aikon Biopharmaceutical R&D co.,Ltd.
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025-66113011 18112977050
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cb6@aikonchem.com