Disodium methyl arsenate

Disodium methyl arsenate
Names


IUPAC name Disodium methyl-dioxido-oxoarsorane
Other names Disodium methanearsonate; disodium methylarsonate
Identifiers
CAS Number	144-21-8^Y
3D model (Jmol)	Interactive image
Abbreviations	DSMA
ChemSpider	8603^N
ECHA InfoCard	100.005.110
PubChem	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 an arsenic-based herbicide.

Trade names include Metharsinat, Arrhenal, Disomear, Metharsan, Stenosine, Tonarsan, Tonarsin, Arsinyl, Arsynal, and Diarsen.

Pest control: herbicides

Anilides/anilines	acetochlor alachlor asulam benfluralin butachlor diethatyl diflufenican dimethenamid flamprop metazachlor metolachlor pendimethalin pretilachlor propachlor propanil trifluralin

Aromatic acids	aminopyralid chloramben clopyralid dicamba picloram pyrithiobac quinclorac quinmerac

Arsenicals	cacodylic acid copper arsenate DSMA MSMA

Organophosphorus	bensulide bialaphos ethephon fosamine glufosinate glyphosate piperophos

Phenoxy	2,4-D 2,4-DB dichlorprop fenoprop MCPA MCPB 2,4,5-T

Pyridines	dithiopyr fluroxypyr imazapyr thiazopyr triclopyr

Quaternary	diquat MPP paraquat

Triazines	ametryn atrazine cyanazine hexazinone prometon prometryn propazine simazine simetryn terbuthylazine terbutryn

Ureas	chlortoluron DCMU metsulfuron-methyl monolinuron tebuthiuron

Others	3-AT aminocyclopyrachlor bromoxynil clomazone DCBN dinoseb juglone mesotrione methazole metam sodium metamitron metribuzin sulfentrazone

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See also