CRM89003
Diquat metabolite Dipyridone
certified reference material, TraceCERT®, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Synonyme(s) :
6,7-Dihydrodipyrido[1,2-a:2′,1′-c]pyrazine-4,9-dione, 9,10-Dihydro-8a,10a-diazaphenanthrene-1,8-dione, Diquat dipyridone
About This Item
Produits recommandés
Qualité
certified reference material
TraceCERT®
Niveau de qualité
Gamme de produits
TraceCERT®
Forme
solid
Durée de conservation
limited shelf life, expiry date on the label
Fabricant/nom de marque
Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
Température de stockage
2-8°C
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Description générale
Certified content by quantitative NMR incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com
Diquat metabolite dipyridone is a common degradation product of diquat. Diquat is a nonselective, defoliant, preharvest, and non-residual bipyridyl herbicide and crop desiccant, normally used as the dibromide salt, to control broad-leaved weeds and grasses. Its activity is based on the liberation of the superoxide anion radical and, subsequently, hydrogen peroxide, leading to tissue destruction by oxidative stress. The herbicidal activity of diquat is more pronounced in daylight, aerobic conditions, high humidity, and temperature.
As per Regulation (EC) No 1107/2009, repealing the directive 91/414/ECC, diquat is not approved for use in the European Union. The maximum residue limit (MRL) for diquat presence in the crops varies between 0.01 mg/kg in most of the commodities to 5 mg/kg for linseed in accordance with Regulation (EU) 2016/1002.
Application
The Diquat metabolite dipyridone CRM may also find the following uses:
- Determination of paraquat, diquat, and two metabolites of diquat (diquat-monopyridone and diquat-dipyridone) in biological materials using high-performance liquid chromatography combined with UV and fluorescence detectors
- Detection of two metabolites of diquat (diquat-monopyridone and diquat-dipyridone) in urine and serum of poisoned patients after ingestion of a combined herbicide of paraquat and diquat
- Simultaneous quantitation of diquat and its two metabolites in serum and urine by ion-paired high-performance liquid chromatography
- To develop a fast ultraperformance liquid chromatography (UPLC)-MS/MS method for the determination of diquat and its two primary metabolites in rat plasma
Produits recommandés
Informations légales
Mention d'avertissement
Danger
Mentions de danger
Classification des risques
Acute Tox. 2 Inhalation - Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Irrit. 2 - Skin Irrit. 2 - Skin Sens. 1 - STOT RE 1 Oral - STOT SE 3
Organes cibles
Respiratory system
Code de la classe de stockage
6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials
Classe de danger pour l'eau (WGK)
WGK 3
Point d'éclair (°F)
Not applicable
Point d'éclair (°C)
Not applicable
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