Skip to content
  • beauty
  • industrial

2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione

CAS 3089-17-6

Also registered as 2 other CAS numbers

68859-50-7 · 118997-98-1

Concern score

Not assessed — no hazard data yet.

2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione in plain language

What it is

Also known as 2,9-DICHLORO-5,12-DIHYDROQUINONE|2,3-B?ACRIDINE-7,14-DIONE · 2,9-Dichloroquinacridone · C.I. Pigment Red 202 · Cinquasia K 4535 · Cinquasia Magenta L-RT 265D · Cromophtal Red RT 355

Show all 9 names

Pigment Red 202 · Quinacridone · c.i.73907

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. 2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 38 composition records across product categories including Raw materials, Construction and building materials, Arts and crafts/office supplies. EPA CPDat classifies this chemical for functional uses including Pigment.
    • EPA CPDat observed this chemical in 38 composition records across product categories including Raw materials, Construction and building materials, Arts and crafts/office supplies. EPA CPDat classifies this chemical for functional uses including Pigment.Source →

Expert safety opinions

No expert opinion on file for 2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

Evidence & sources

No graded research studies for 2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione 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 october 19, 2016

    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 2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione in a product composition. These are source records, not Greenveil catalog products.

Source records

38

Named organisations

6

Raw materialsConstruction and building materialsArts and crafts/office supplies

Typical roles

Colourant
See products using 2,9-Dichloro-5,12-dihydroquino[2,3-b]acridine-7,14-dione →