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  • industrial

2-​[2-​[1-​[[(2,​3-​Dihydro-​2-​oxo-​1H-​benzimidazol-​5-​yl)​amino]​carbonyl]​-​2-​oxopropyl]​diazenyl]​-benzoic acid

CAS 31837-42-0

Also registered as 2 other CAS numbers

31206-98-1 · 61036-28-0

2-​[2-​[1-​[[(2,​3-​Dihydro-​2-​oxo-​1H-​benzimidazol-​5-​yl)​amino]​carbonyl]​-​2-​oxopropyl]​diazenyl]​-benzoic acid chemical structure

Concern score

Not assessed — no hazard data yet.

2-​[2-​[1-​[[(2,​3-​Dihydro-​2-​oxo-​1H-​benzimidazol-​5-​yl)​amino]​carbonyl]​-​2-​oxopropyl]​diazenyl]​-benzoic acid in plain language

What it is

Also known as Pigment yellow 151 · C.I. py 151 · C.I. Pigment Yellow 151 · CS-0010634 · Ec 250-830-4 · HY-D0543

Show all 7 names

Monoazo

What it does

Used in consumer products as a colourant.

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

Regulation

No restrictions found. 2-​[2-​[1-​[[(2,​3-​Dihydro-​2-​oxo-​1H-​benzimidazol-​5-​yl)​amino]​carbonyl]​-​2-​oxopropyl]​diazenyl]​-benzoic acid appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 6 composition records across product categories including Furniture and furnishings, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Pigment.
    • EPA CPDat observed this chemical in 6 composition records across product categories including Furniture and furnishings, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Pigment.Source →

Evidence & sources

No graded research studies for 2-​[2-​[1-​[[(2,​3-​Dihydro-​2-​oxo-​1H-​benzimidazol-​5-​yl)​amino]​carbonyl]​-​2-​oxopropyl]​diazenyl]​-benzoic acid yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

4 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated november 3, 2016

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    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-​[1-​[[(2,​3-​Dihydro-​2-​oxo-​1H-​benzimidazol-​5-​yl)​amino]​carbonyl]​-​2-​oxopropyl]​diazenyl]​-benzoic acid in a product composition. These are source records, not Greenveil catalog products.

Source records

6

Named organisations

6

Furniture and furnishingsConstruction and building materials

Typical roles

Colourant
See products using 2-​[2-​[1-​[[(2,​3-​Dihydro-​2-​oxo-​1H-​benzimidazol-​5-​yl)​amino]​carbonyl]​-​2-​oxopropyl]​diazenyl]​-benzoic acid →