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  • cleaning

3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-((4-C7-17-branched alkylphenyl)azo) derivs.

CAS 97660-72-5

Concern score

Not assessed — no hazard data yet.

3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-((4-C7-17-branched alkylphenyl)azo) derivs. in plain language

What it is

Also known as unnamed · ci solvent yellow 126

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. 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-((4-C7-17-branched alkylphenyl)azo) derivs. appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • USEPAcommercial use observedEPA CPDat observed this chemical in 55 composition records across product categories including Cleaning products and household care, Vehicle. EPA CPDat classifies this chemical for functional uses including Dye.
    • EPA CPDat observed this chemical in 55 composition records across product categories including Cleaning products and household care, Vehicle. EPA CPDat classifies this chemical for functional uses including Dye.Source →

Evidence & sources

No graded research studies for 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-((4-C7-17-branched alkylphenyl)azo) derivs. yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2020-04-06

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    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 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-((4-C7-17-branched alkylphenyl)azo) derivs. in a product composition. These are source records, not Greenveil catalog products.

Source records

55

Named organisations

1

Cleaning products and household careVehicle

Typical roles

Colourant
See products using 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-phenyl-, 4-((4-C7-17-branched alkylphenyl)azo) derivs. →