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  • industrial

2,2'-Sulfanediyldiethanethiol

CAS 3570-55-6

Also registered as 1 other CAS number

9027-67-2

2,2'-Sulfanediyldiethanethiol chemical structure

Concern score

Not assessed — no hazard data yet.

2,2'-Sulfanediyldiethanethiol in plain language

What it is

Also known as BIS(2-MERCAPTOETHYL) sulfide · 2,2'-Sulfanediyldi(ethane-1-thiol) · 2-(2-sulfanylethylsulfanyl)ethanethiol · 1,4,7-TRITHIAHEPTANE · 1,5-DIMERCAPTO-3-THIAPENTANE · 1-Mercapto-2-(mercaptoethylthio)ethane

Show all 19 names

2,2'-DIMERCAPTODIETHYL thioether · 2,2'-Dimercaptodiethyl sulfide · 2,2'-THIOBIS(ETHANETHIOL) · 2,2'-THIODI(ETHANETHIOL) · 2,2'-Thiodiethanethiol · 2-((2-MERCAPTOETHYL)THIO)ETHANETHIOL · 2-MERCAPTOETHYL thioether · 2-Mercaptoethyl sulfide · 3-THIA-1,5-PENTANEDITHIOL · BIS(2-SULFANYLETHYL) sulfide · Bis(mercaptoethyl) sulfide · Ethanethiol, 2,2'-THIODI- · Ethanethiol, 2,2'-thiobis-

What it does

Used in consumer products as a chelating agent.

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

Regulation

No restrictions found. 2,2'-Sulfanediyldiethanethiol appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Chelating agent.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including Chelating agent.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 2,2'-Sulfanediyldiethanethiol 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 2014-11-26

    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 2,2'-Sulfanediyldiethanethiol in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Chelating agent
See products using 2,2'-Sulfanediyldiethanethiol →