Metam sodium

Metam sodium

160px
Ball-and-stick model of the component ions of metham sodium
Names
IUPAC name Sodium methylaminomethanedithioate
Other names Metham sodium Carbathion Carbathione Carbothion Metamsodium Metam-sodium
Identifiers
CAS Number	137-42-8 Y
ChemSpider	2273119 Y
Jmol 3D model	Interactive image
PubChem	5366415
InChI InChI=1S/C2H5NS2.Na/c1-3-2(4)5;/h1H3,(H2,3,4,5);/q;+1/p-1 Y Key: AFCCDDWKHLHPDF-UHFFFAOYSA-M Y InChI=1/C2H5NS2.Na/c1-3-2(4)5;/h1H3,(H2,3,4,5);/q;+1/p-1 Key: AFCCDDWKHLHPDF-REWHXWOFAS
SMILES [Na+].[S-]C(=S)NC
Properties
Chemical formula	C2H4NNaS2
Molar mass	129.18 g/mol
Vapor pressure	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

Metam sodium is an organosulfur compound (formally a dithiocarbamate), which is used as a soil fumigant, pesticide, herbicide, and fungicide. It is one of the most widely used pesticides in the United States, with approximately 60 million pounds used in 2001. Metam sodium is the sodium salt of methyl dithiocarbamate.

Metam sodium can be prepared from methylamine, carbon disulfide, and sodium hydroxide; or from methyl isothiocyanate and sodium thiolate.

Upon exposure to the environment, metam sodium decomposes to form methyl isothiocyanate.

See also

• Zineb - A related dithiocarbamate salt which is also used as a fungicide

External links

• Metam sodium in the Pesticide Properties DataBase (PPDB)