Herbicide Pesticide Glufosinate-Ammonium 95% TCGlufosinate-ammonium is a herbicide approved for use in the EU. It is highly soluble in water, volatile and has a low risk of leaching to groundwater. It is non-persistent in soils but may be persistent in aquatic systems. It is moderately toxic to mammals and considered to be a neurotoxin. It shows a moderate to low toxicity to birds, most aquatic organisms, earthworms and honeybees.
Description: A herbicide for total vegetation control and to control a wide range of weeds and grasses
Example pests controlled: Annual broad-leaved weeds including nightshade, lamb's quarters, ragweed, velvetleaf, wild mustard; Annual grasses including barnyard grass, bristly foxtail, witchgrass
Example applications: Oilseed rape; Maize; Potatoes; Soybeans; Non-cropped areas
Chemical structure: | Isomerism | A molecule with 2 chiral centres, glufosinate-ammonium is an isomeric mixture of the D- and L-isomers of the glufosinate ammonium salt |
| Chemical formula | C5H15N2O4P |
| Canonical SMILES | CP(=O)(CCC(C(=O)[O-])N)O.[NH4+] |
| Isomeric SMILES | No data |
| International Chemical Identifier key (InChIKey) | ZBMRKNMTMPPMMK-UHFFFAOYSA-N |
| International Chemical Identifier (InChI) | InChI=1S/C5H12NO4P.H3N/c1-11(9,10)3-2-4(6)5(7)8;/h4H,2-3,6H2,1H3,(H,7,8)(H,9,10);1H3 |
| Pesticide type | Herbicide |
| Substance group | Phosphinic acid |
| Minimum active substance purity | 950 g/kg |
| Known relevant impurities | EU dossier - None declared |
| Substance origin | Synthetic |
| Mode of action | Non-selective, contact with some systemic action. Glutamine synthetase inhibitor: accumulates ammonium ions, inhibits photosynthesis. |
| CAS RN | 77182-82-2 |
| EC number | 278-636-5 |
| CIPAC number | 437 |
| US EPA chemical code | 128850 |
| PubChem CID | 53597 |
| Molecular mass (g mol-1) | 198.2 |
| PIN (Preferred Identification Name) | - |
| IUPAC name | ammonium (2RS)-2-amino-4-(methylphosphinato)butyric acid |
| CAS name | 2-amino-4-(hydroxymethylphosphinyl)butanoic acid monoammonium salt |
| Other status information | PAN listed Highly Hazardous Chemical |