Triazoxide

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Structural formula
Structural formula of triazoxide
General
Surname Triazoxide
other names

7-chloro-3- (1 H -imidazol-1-yl) -1,2,4-benzotriazine-1-oxide

Molecular formula C 10 H 6 ClN 5 O
Brief description

light yellow, crystalline solid

External identifiers / databases
CAS number 72459-58-6
EC number 276-668-4
ECHA InfoCard 100,069,677
PubChem 93422
Wikidata Q3136310
properties
Molar mass 247.64 g mol −1
Physical state

firmly

Melting point

178-182 ° C

solubility

practically insoluble in water (34 mg l −1 )

safety instructions
GHS labeling of hazardous substances
06 - Toxic or very toxic

danger

H and P phrases H: 301-331
P: 261-301 + 310-311
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Triazoxide is a chemical compound from the group of benzotriazines and imidazoles and a non-systemic contact fungicide introduced by Bayer AG .

Extraction and presentation

Triazoxide can be obtained by reacting 3,7-dichloro-1,2,4-benzoztriazine-1-oxide with imidazole .

Preparation of triazoxide

use

Triazoxide is used as a stain (in EfA ) against Pyrenophora graminea and Pyrenophora teres in cereal cultivation.

Admission

In Germany and Switzerland, plant protection products with triazoxide as an active ingredient are approved.

Individual evidence

  1. a b c d Entry on triazoxide. In: Römpp Online . Georg Thieme Verlag, accessed on May 20, 2014.
  2. a b c data sheet triazoxide from Sigma-Aldrich , accessed on May 22, 2017 ( PDF ).
  3. Thomas A. Unger: Pesticide Synthesis Handbook . William Andrew, 1996, ISBN 0-8155-1853-6 , pp. 675 ( limited preview in Google Book search).
  4. General Directorate Health and Food Safety of the European Commission: Entry on triazoxides in the EU pesticide database; Entry in the national registers of plant protection products in Switzerland , Austria and Germany ; accessed on February 15, 2016.