MCPB
Encyclopedia
MCPB, 2,4-MCPB, 4-butyric acid (IUPAC), or 4-(4-chloro-2-methylphenoxy)butanoic acid (CAS
) is a phenoxybutyric herbicide. In the United States
it is registered for use on pea crops before flowering, for post-emergence control of broadleaf annual and perennial weeds including Canadian thistle, buttercup, mustard, purslane, ragweed, common lambsquarters, pigweed, smartweed, sowthistle, and morning glory. It has low to moderate acute toxicity
, with kidney and liver effects as the main hazard concerns. It is not volatile, persistent, or likely to bioconcentrate. The maximum residue permitted on peas is 0.1 parts per million.
Chemical Abstracts Service
Chemical Abstracts is a periodical index that provides summaries and indexes of disclosures in recently published scientific documents. Approximately 8,000 journals, technical reports, dissertations, conference proceedings, and new books, in any of 50 languages, are monitored yearly, as are patent...
) is a phenoxybutyric herbicide. In the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...
it is registered for use on pea crops before flowering, for post-emergence control of broadleaf annual and perennial weeds including Canadian thistle, buttercup, mustard, purslane, ragweed, common lambsquarters, pigweed, smartweed, sowthistle, and morning glory. It has low to moderate acute toxicity
Toxicity
Toxicity is the degree to which a substance can damage a living or non-living organisms. Toxicity can refer to the effect on a whole organism, such as an animal, bacterium, or plant, as well as the effect on a substructure of the organism, such as a cell or an organ , such as the liver...
, with kidney and liver effects as the main hazard concerns. It is not volatile, persistent, or likely to bioconcentrate. The maximum residue permitted on peas is 0.1 parts per million.