Monosodium methyl arsonate

CAS Number2163-80-6
Molecular FormulaCH4AsNaO3
Molecular Weight161.952
InChI KeyJITOKQVGRJSHHA-UHFFFAOYSA-M
LogP-3.10
Synonyms
  • 2163-80-6
  • Monosodium methanearsonate
  • Daconate
  • SODIUM METHANEARSONATE
  • Gepiron
  • Mesamate
  • Monoban
  • Drexar
  • Monate
  • Phyban
  • Bueno
  • Super Arsonate
  • Sodium hydrogen methylarsonate
  • Ansar 6.6
  • Herb-All
  • Herban M
  • Daconate 6
  • Monosodium methanearsenate
  • Target MSMA
  • Bueno 6
  • Mesamate-400
  • Mesamate-600
  • Silvisar 550
  • Weed-hoe-108
  • Ansar 170
  • Ansar 170L
  • Ansar 529
  • Merge 823
  • Ansar 529 HC
  • Dal-E-Rad 120
  • Weed 108
  • Sodium acid methanearsonate
  • Monosodium acid metharsonate
  • Mesamate H.C.
  • Monosodium acid methanearsonate
  • Phyban H.C.
  • 600QCW45IV
  • Methylarsenic acid, sodium salt
  • Methylarsonic acid, sodium salt
  • Methylarsonat monosodny
  • Monomethylarsonic acid sodium salt
  • NCI-C60071
  • DTXSID2025686
  • RefChem:1089839
  • DTXCID505686
  • Monex
  • Sodium methylarsonate
  • MSMA
  • Monosodium methylarsonate
  • Methylarsonic acid sodium
  • Arsonic acid, methyl-, monosodium salt
  • Methanearsonic acid, monosodium salt
  • Dal-E-Rad
  • Monosodium acid methane arsonate sesquihydrate
  • Merge
  • Trans-vert
  • Caswell No. 582
  • Monosodium methanearsonic acid
  • CCRIS 4676
  • HSDB 754
  • Methylarsonat monosodny [Czech]
  • Methanearsonic acid monosodium salt
  • EINECS 218-495-9
  • EPA Pesticide Chemical Code 013803
  • Monosodium methyl arsenate
  • MSMA [HSDB]
  • UNII-600QCW45IV
  • SCHEMBL23266
  • sodium;hydroxy(methyl)arsinate
  • Methylarsonic acid mono sodium salt
  • MSK22510
  • HY-W714225
  • NS00122534
  • H60300
  • METHANEARSONIC ACID MONOSODIUM SALT [MI]
  • Q3066718

Applications:

Uv-Vis Spectrum of Monosodium Methyl Arsonate

January 30, 2026
Access the UV-Vis Spectrum SIELC Library
UV-Vis Spectrum of Monosodium methyl arsonate.

If you are looking for optimized HPLC method to analyze Monosodium methyl arsonate check our HPLC Applications library

For optimal results in HPLC analysis, it is recommended to measure absorbance at a wavelength that matches the absorption maximum of the compound(s) being analyzed. The UV spectrum shown can assist in selecting an appropriate wavelength for your analysis. Please note that certain mobile phases and buffers may block wavelengths below 230 nm, rendering absorbance measurement at these wavelengths ineffective. If detection below 230 nm is required, it is recommended to use acetonitrile and water as low UV-transparent mobile phases, with phosphoric acid and its salts, sulfuric acid, and TFA as buffers.
For some compounds, the UV-Vis Spectrum is affected by the pH of the mobile phase. The spectra presented here are measured with an acidic mobile phase that has a pH of 3 or lower.

 

 

 

 

Application Analytes:
Monosodium methyl arsonate
SIELC Technologies usually develops more than one method for each compound. Therefore, this particular method may not be the best available method from our portfolio for your specific application. Before you decide to implement this method in your research, please send us an email to research@sielc.com so we can ensure you get optimal results for your compound/s of interest.