Monosodium methyl arsenate

Monosodium methyl arsenate
Monosodium methyl arsenate
Abbreviations MSMA
CAS number 2163-80-6 YesY
PubChem 23664719
ChemSpider 13732108 YesY
Jmol-3D images Image 1
Molecular formula CH4AsNaO3
Molar mass 161.95 g/mol
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Monosodium methyl arsenate (MSMA) is an arsenic-based herbicide and fungicide. It is an organic arsenate; but it is a less toxic organic form of arsenic, which has replaced the role of lead hydrogen arsenate in agriculture. It is one of the most common herbicides used on golf courses. It is typically used for control of grassy weeds such as crabgrass. Another common use is for burning the marked lines into grassy sports fields.

Some of its trade names include Ansar 170, Ansar 170L, Ansar 529, Ansar 529 HC, Ansar 6.6, Asazol, Bueno, Bueno 6, CCRIS 4676, Caswell No. 582, Daconate, Daconate 6, Dal-E-Rad, Dal-E-Rad 120, Drexar, Gepiron, HSDB 754, Herb-All, Herban M, Merge, Merge 823, Mesamate, Mesamate H.C., Mesamate-400, and Mesamate-600.

See also


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Look at other dictionaries:

  • Disodium methyl arsenate — IUPAC name Disodium methyl dioxido oxoarsorane …   Wikipedia

  • Méthanearséniate monosodique — Pour les articles homonymes, voir MSMA. Méthane arsonate monosodique …   Wikipédia en Français

  • Arsenic — (pronEng|ˈɑrsənɪk) is a chemical element that has the symbol As and atomic number of 33. Arsenic was first documented by Albertus Magnus in 1250cite book |last=Emsley |first=John |title=Nature s Building Blocks: An A Z Guide to the Elements |year …   Wikipedia

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