Metribuzin

Metribuzin
	Skeletal formula of metribuzin
	Space-filling model of the metribuzin molecule
Names
	IUPAC name 4-Amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one
	Other names 4-Amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one
Identifiers
CAS Number	21087-64-9
ChEBI	CHEBI:34846
ChemSpider	28287
Jmol 3D model	Interactive image
PubChem	30479
	InChI InChI=1S/C8H14N4OS/c1-8(2,3)5-6(13)12(9)7(14-4)11-10-5/h9H2,1-4H3 Key: FOXFZRUHNHCZPX-UHFFFAOYSA-N ; InChI=1/C8H14N4OS/c1-8(2,3)5-6(13)12(9)7(14-4)11-10-5/h9H2,1-4H3 Key: FOXFZRUHNHCZPX-UHFFFAOYAI ;
	SMILES CC(C)(C)C1=NN=C(N(C1=O)N)SC ;
Properties
Chemical formula	C8H14N4OS
Molar mass	214.29 g·mol−1
Appearance	Colorless, crystalline solid
Density	1.31 g/cm3
Melting point	125 °C (257 °F; 398 K)
Solubility in water	0.1% (20 °C)
Vapor pressure	0.0000004 mmHg (20 °C)
Vapor pressure	{{{value}}}
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Metribuzin (4-amino-6-tert-butyl-3-(methylthio)-as-triazin-5(4H)-one) is an herbicide used both pre- and post-emergence in crops including soy bean, potatoes, tomatoes and sugar cane. It acts by inhibiting photosynthesis by disrupting photosystem II.^[2] It is widely used in agriculture and has been found to contaminate groundwater.^[3]

References

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v t e Pest control: herbicides
Anilides/anilines	acetochlor alachlor asulam benfluralin butachlor diethatyl diflufenican dimethenamid flamprop metazachlor metolachlor pendimethalin pretilachlor propachlor propanil trifluralin
Aromatic acids	aminopyralid chloramben clopyralid dicamba picloram pyrithiobac quinclorac quinmerac
Arsenicals	cacodylic acid copper arsenate DSMA MSMA
Organophosphorus	bensulide bialaphos ethephon fosamine glufosinate glyphosate piperophos
Phenoxy	2,4-D 2,4-DB dichlorprop fenoprop MCPA MCPB 2,4,5-T
Pyridines	dithiopyr fluroxypyr imazapyr thiazopyr triclopyr
Quaternary	diquat MPP paraquat
Triazines	ametryn atrazine cyanazine hexazinone prometon prometryn propazine simazine simetryn terbuthylazine terbutryn
Ureas	chlortoluron DCMU metsulfuron-methyl monolinuron tebuthiuron
Others	3-AT aminocyclopyrachlor bromoxynil clomazone DCBN dinoseb juglone mesotrione methazole metam sodium metamitron metribuzin sulfentrazone

Names
Skeletal formula of metribuzin
Space-filling model of the metribuzin molecule
IUPAC name 4-Amino-6-tert-butyl-3-methylsulfanyl-1,2,4-triazin-5-one
Other names 4-Amino-6-(1,1-dimethylethyl)-3-(methylthio)-1,2,4-triazin-5(4H)-one
Identifiers
CAS Number	21087-64-9
ChEBI	CHEBI:34846^Y
ChemSpider	28287
Jmol 3D model	Interactive image
PubChem	30479
InChI InChI=1S/C8H14N4OS/c1-8(2,3)5-6(13)12(9)7(14-4)11-10-5/h9H2,1-4H3 Key: FOXFZRUHNHCZPX-UHFFFAOYSA-N InChI=1/C8H14N4OS/c1-8(2,3)5-6(13)12(9)7(14-4)11-10-5/h9H2,1-4H3 Key: FOXFZRUHNHCZPX-UHFFFAOYAI
SMILES CC(C)(C)C1=NN=C(N(C1=O)N)SC
Properties
Chemical formula	C₈H₁₄N₄OS
Molar mass	214.29 g·mol⁻¹
Appearance	Colorless, crystalline solid^[1]
Density	1.31 g/cm³
Melting point	125 °C (257 °F; 398 K)
Solubility in water	0.1% (20 °C)^[1]
Vapor pressure	0.0000004 mmHg (20 °C)^[1]
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references