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Analytical Reagents

Metam sodium

Available on request

Order Metam sodium (CAS 137-42-8) online at Zemixal: C2H4NNaS2, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-047028.

Pack sizes
Metam sodium chemical structure
CAS number137-42-8
FormulaC2H4NNaS2
Molar mass129.18 g/mol
InChIKeyAFCCDDWKHLHPDF-UHFFFAOYSA-M
IUPAC namesodium N-methylcarbamodithioate

About Metam sodium

Researchers and plant chemists source Metam sodium from Zemixal for routine and specialised work. Identity at a glance: CAS 137-42-8, formula C2H4NNaS2 and molar mass 129.18 g/mol.

Use cases we see most often

  • Agrochemical formulations
  • Laboratory analysis

Storage and safety notes

Hazard communication follows GHS (Danger: H302, H314, H317 and H400). Our SDS lists exposure controls and first-aid measures.

Order it in 100 mg, 250 mg, 1 g and 5 g packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Typical uses

  • Agrochemical formulations
  • Laboratory analysis

Applications

Specifications and identifiers

Specifications of Metam sodium
Product nameMetam sodium
Catalogue numberZX-047028
CAS number137-42-8
IUPAC namesodium N-methylcarbamodithioate
Molecular formulaC2H4NNaS2
Molar mass129.18 g/mol
Exact mass128.9683
H-bond donors / acceptors1 / 2
Topological polar surface area45.1 Ų
InChIKeyAFCCDDWKHLHPDF-UHFFFAOYSA-M
SMILESCNC(=S)[S-].[Na+]
PubChem CID5366415
SynonymsCarbathione, Masposol, Mapasol, Sodium metham, Sodium metam, Sectagon II, Methylcarbamodithioic acid sodium salt, VPM (fungicide), Sodium N-methyldithiocarbamate, Sodium monomethyldithiocarbamate

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS05 Corrosive
Corrosive
GHS07 Irritant or harmful
Irritant or harmful
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H302Harmful if swallowed
  • H314Causes severe skin burns and eye damage
  • H317May cause an allergic skin reaction
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P260, P261, P264, P270, P272, P273, P280, P301 + P317, P301 + P330 + P331, P302 + P352, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P321, P330, P333 + P317, P362 + P364, P363, P391, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Metam sodium
100 mgQuoted on request
250 mgQuoted on request
1 gQuoted on request
5 gQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Metam sodium

Which CAS number identifies Metam sodium?
Metam sodium is registered under CAS 137-42-8. You may also see it listed as Carbathione, Masposol, Mapasol. Our catalogue number for this item is ZX-047028.
What are the formula and molar mass of Metam sodium?
For Metam sodium, its formula is C2H4NNaS2 and its molar mass is 129.18 g/mol. The systematic (IUPAC) name is sodium N-methylcarbamodithioate. InChIKey AFCCDDWKHLHPDF-UHFFFAOYSA-M lets you match it in any structure database.
What grade and pack sizes are available for Metam sodium?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 100 mg, 250 mg, 1 g, 5 g. Larger quantities and custom packing can be quoted on request.
Which documents come with Metam sodium?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Metam sodium to my country?
Yes. Because Metam sodium is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
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