Disodium methyl arsonate

Disodium methyl arsonate

Names
IUPAC name Disodium methyl-dioxido-oxoarsorane
Other names Disodium methanearsonate; disodium methylarsonate
Identifiers
CAS Number	144-21-8 Y
3D model (JSmol)	Interactive image
Abbreviations	DSMA
ChemSpider	8603 N
ECHA InfoCard	100.005.110
PubChem CID	8947
InChI InChI=1S/CH5AsO3.2Na/c1-2(3,4)5;;/h1H3,(H2,3,4,5);;/q;2*+1/p-2 N Key: SDIXRDNYIMOKSG-UHFFFAOYSA-L N InChI=1/CH5AsO3.2Na/c1-2(3,4)5;;/h1H3,(H2,3,4,5);;/q;2*+1/p-2 Key: SDIXRDNYIMOKSG-NUQVWONBAA
SMILES C[As](=O)([O-])[O-].[Na+].[Na+]
Properties
Chemical formula	CH3AsNa2O3
Molar mass	183.93 g/mol
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

Disodium methyl arsonate (DSMA) is the organoarsenic compound with the formula CH3AsO3Na2. It is a colorless, water-soluble solid derived from methanearsonic acid. It is used as a herbicide.^[1] Tradenames include Metharsinat, Arrhenal, Disomear, Metharsan, Stenosine, Tonarsan, Tonarsin, Arsinyl, Arsynal, and Diarsen.

See also

• Cacodylic acid
• Monosodium methyl arsenate

References

1. ↑ Grund, S. C.; Hanusch, K.; Wolf, H. U. (2005), "Arsenic and Arsenic Compounds", Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, doi:10.1002/14356007.a03_113.pub2 CS1 maint: Multiple names: authors list (link)