Imazapyr

Imazapyr
Names

IUPAC name (RS)-2-(4-Methyl-5-oxo-4-propan-2-yl-1H-imidazol-2-yl)pyridine-3-carboxylic acid
Identifiers
CAS Number	81334-34-1^Y
3D model (Jmol)	Interactive image
ChEBI	CHEBI:82021^N
ChemSpider	49445^N
ECHA InfoCard	100.118.758
KEGG	C18864^Y
PubChem	54738
InChI InChI=1S/C13H15N3O3/c1-7(2)13(3)12(19)15-10(16-13)9-8(11(17)18)5-4-6-14-9/h4-7H,1-3H3,(H,17,18)(H,15,16,19)^N Key: CLQMBPJKHLGMQK-UHFFFAOYSA-N^N InChI=1/C13H15N3O3/c1-7(2)13(3)12(19)15-10(16-13)9-8(11(17)18)5-4-6-14-9/h4-7H,1-3H3,(H,17,18)(H,15,16,19) Key: CLQMBPJKHLGMQK-UHFFFAOYAH
SMILES OC(C1=C(C(N2)=NC(C)(C(C)C)C2=O)N=CC=C1)=O
Properties
Chemical formula	C₁₃H₁₅N₃O₃
Molar mass	261.28 g·mol⁻¹
Density	1,34
Melting point	169-171
Solubility in water	13.47 g/l
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is ^YN ?)
Infobox references

Imazapyr is a non-selective herbicide used for the control of a broad range of weeds including terrestrial annual and perennial grasses and broadleaved herbs, woody species, and riparian and emergent aquatic species.^[1] It is used to eliminate Lithocarpus densiflorus (Tan Oak) and Arbutus menziesii (Pacific Madrone). Additionally, imazapyr is used to control annual and perennial grass and broadleaved weeds, brush, vines and many deciduous trees. Imazapyr is absorbed by the leaves and roots, and moves rapidly through the plant. It accumulates in the meristem region (active growth region) of the plant. In plants, imazapyr disrupts protein synthesis and interferes with cell growth and DNA synthesis.^[2]

Imazapyr is an ingredient of the commercial product Roundup GroundClear. A related herbicide called imazapic is an ingredient in Roundup Extended Control. Both chemicals are non-selective, long-lasting, and effective in weed control. They are, however, water-soluble, and depending on soil type and moisture they can move into parts of the landscape where they weren't sprayed. Some desirable landscape plants are especially sensitive to them and can be damaged. Sensitive species include ash, linden, and cherry trees, and oleander bushes.^[3]

References

↑ Reregistration Eligibility Decision for Imazapyr, U.S. Environmental Protection Agency
↑ "Imazapyr" (PDF). Toku-E. 2010-10-10. Retrieved 2012-06-11.
↑ "Roundup is Roundup…Right?". Colorado State University Extension. 2013-06-03. Retrieved 2016-01-09.

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