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  • industrial

C.I. Pigment Orange 34

CAS 15793-73-4

Also registered as 3 other CAS numbers

12236-61-2 · 12236-63-4 · 2300079-84-7

C.I. Pigment Orange 34 chemical structure

Concern score

Not assessed — no hazard data yet.

C.I. Pigment Orange 34 in plain language

What it is

Also known as Pigment orange 34 · Benzidine orange t · C.I. 21115 · C.I. pigment orange 35 · C.I. pigment orange 37 · CI 21115

Show all 24 names

Permanent orange rl · C34H28Cl2N8O2 · CS-0010602 · Diarylide pyrazolone · Disazo · Disazo-based dispersion · Disazopyrazolone · Ec 239-898-6 · FP40369 · HY-D0510 · Irgalite orange F2G · Roma Orange B 112700 · Uibaambcjdndsq-uhfffaoysa-n · UNII-6DWP6ESY9N · Vynamon Orange RE-FW · diarylide orange · organic orange pigment · 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 34 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 Home maintenance, Raw materials. EPA CPDat classifies this chemical for functional uses including Pigment, Dye.
    • EPA CPDat observed this chemical in 6 composition records across product categories including Home maintenance, Raw materials. 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 →

Evidence & sources

No graded research studies for C.I. Pigment Orange 34 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 2019-07-18

    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 C.I. Pigment Orange 34 in a product composition. These are source records, not Greenveil catalog products.

Source records

6

Named organisations

6

Home maintenanceRaw materials

Typical roles

Colourant
See products using C.I. Pigment Orange 34 →