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  • industrial

C.I. Pigment Orange 13

CAS 3520-72-7

Also registered as 4 other CAS numbers

4338-60-7 · 75757-39-0 · 85497-02-5 · 98084-77-6

Concern score

Not assessed — no hazard data yet.

C.I. Pigment Orange 13 in plain language

What it is

Also known as Pigment orange 13 · Benzidine orange · C.I. 21110 · CI 21110 · Atul Vulcan Fast Pigment Orange G · Benzidine Orange 45-2850

Show all 15 names

Benzidine Orange 45-2880 · Diazopyrazolone (C32H24Cl2N8O2) · Disazo · Disazo-based dispersion · Disazopyrazolone · c.i.21110 · c.i.56110 · pigment orange · pyrazolone orange

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. C.I. Pigment Orange 13 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 186 composition records across product categories including Home maintenance, Raw materials, Arts and crafts/office supplies. EPA CPDat classifies this chemical for functional uses including Pigment, Dye.
    • EPA CPDat observed this chemical in 186 composition records across product categories including Home maintenance, Raw materials, Arts and crafts/office supplies. EPA CPDat classifies this chemical for functional uses including Pigment, Dye.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Expert safety opinions

No expert opinion on file for C.I. Pigment Orange 13. 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 C.I. Pigment Orange 13 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 2020-11-27

    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 →

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 C.I. Pigment Orange 13 in a product composition. These are source records, not Greenveil catalog products.

Source records

186

Named organisations

6

Home maintenanceRaw materialsArts and crafts/office supplies

Typical roles

Colourant
See products using C.I. Pigment Orange 13 →