Diquat
Chemical compound / From Wikipedia, the free encyclopedia
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Diquat is the ISO common name[4] for an organic dication that, as a salt with counterions such as bromide or chloride is used as a contact herbicide that produces desiccation and defoliation. Diquat is no longer approved for use in the European Union, although its registration in many other countries including the USA is still valid.
Quick Facts Names, Identifiers ...
Names | |
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IUPAC name
6,7-dihydrodipyrido[1,2-a:2′,1′-c]pyrazine-5,8-diium dibromide | |
Other names
1,1′-Ethylene-2,2′-bipyridyldiylium dibromide | |
Identifiers | |
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3D model (JSmol) |
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ChEMBL |
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ChemSpider |
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ECHA InfoCard | 100.001.436 |
KEGG |
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PubChem CID |
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UNII |
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CompTox Dashboard (EPA) |
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Properties[1] | |
C12H12Br2N2 | |
Molar mass | 344.050 g·mol−1 |
Appearance | White/yellow crystals |
Density | 1.61 g/cm3 |
Melting point | Decomposes |
71.8% (20 °C) | |
log P | -4.6 |
Vapor pressure | 0.01 mPa (20 °C) |
Hazards[2] | |
GHS labelling: | |
NFPA 704 (fire diamond) | |
NIOSH (US health exposure limits): | |
REL (Recommended) |
TWA 0.5 mg/m3[3] |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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