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  • industrial

Monosodium methanearsonate

CAS 2163-80-6

Monosodium methanearsonate chemical structure

Concern score

Not assessed — no hazard data yet.

Monosodium methanearsonate in plain language

What it is

Also known as Methanearsonic acid monosodium salt · Msma · Monosodium methylarsonate · Sodium hydrogen methylarsonate · sodium hydroxy(methyl)arsinate · Ansar 6.6

Show all 32 names

Arsonic acid, methyl-, monosodium salt · Bueno · Bueno 6 · Daconate 6 · Drexar · Gepiron · Herb-All · Herban M · Mesamate · Mesamate-400 · Mesamate-600 · monosodium salt Methanearsonic acid · Monate · Monoban · Monosodium methanearsenate · Phyban · Sodium methanearsonate · Super Arsonate · Target MSMA · daconate · methylarsonate de sodium · metilarsonato de sodio · monosodium acid methanearsonate · monosodium acid methanearsonate (msma) · monosodium methanearsonate.organic as compound. · sodium methylarsonate

What it does

Used in consumer products as an antimicrobial.

  • Antimicrobial
Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Monosodium methanearsonate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 17 composition records across product categories including Landscape/yard, Construction and building materials, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Biocide.
    • EPA CPDat observed this chemical in 17 composition records across product categories including Landscape/yard, Construction and building materials, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Biocide.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Monosodium methanearsonate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated September 1997

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Monosodium methanearsonate in a product composition. These are source records, not Greenveil catalog products.

Source records

17

Named organisations

6

Landscape/yardConstruction and building materialsLaboratory suppliesIndustrial products

Typical roles

Antimicrobial
See products using Monosodium methanearsonate →