Skip to content

GREENVEIL

  • beauty
  • cleaning
  • food
  • industrial

4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride

CAS 569-61-9 · 100/100 · High conf.

Also registered as 3 other CAS numbers

70426-60-7 · 131883-55-1 · 187112-40-9

4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride chemical structure

Concern score

100/100Critical concern driven by cmr.
High confidence

4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride in plain language

What it is

Also known as C.I. basic red 9 · CI basic red 9 · C.I. Basic Red 9 monohydrochloride · Pararosaniline hydrochloride · Basic red 9 · P-rosaniline chloride

Show all 26 names

Pararosaniline hcl · Basic parafuchsine · C.I. 42500 · C.I. Basic Red 9, monohydrochloride · Calcozine magenta N · Cerven zasadita 9 · Fuchsine DR-001 · Fuchsine SP · Fuchsine SPC · NCI-C54739 · Orient Para Magenta Base · Parafuchsin · Parafuchsine · Parafuksin · Paraosaniline hydrochloride · Pararosaniline chloride · basic fuchsin · p-Fuchsin · p-Rosaniline hydrochloride · p-Rosaniline.HCl

What it does

We don't have a plain-language description for 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride yet.

Is it a concern?
Critical concern: classified for carcinogenic, mutagenic or reproductive toxicity (CMR). It is banned in EU cosmetics.

Why it's flagged

  • Cmr

4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride is prohibited in cosmetic products under Annex II of the EU Cosmetics Regulation (EC) 1223/2009.

RestrictedEU EC — banned

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

Restrictions first, then routine listings from published regulatory sources.

  • EU Annex II — prohibited
  • EU prohibited in cosmetics

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • Pharma
  • Food
  • Industrial

  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products. CMR: Carcinogenic Cat. 1B()

    banned
    View source →
  • EUCosIngActiveCosmetics Regulation annex II / ref 706.
    • Cosmetics Regulation annex II / ref 706.Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 37 composition records across product categories including Cleaning products and household care, Laboratory supplies, Food and drug.
    • EPA CPDat observed this chemical in 37 composition records across product categories including Cleaning products and household care, Laboratory supplies, Food and drug.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 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride. 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.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    No JECFA evaluation on file.

  • EFSA

    European Food Safety Authority

    No EFSA opinion on file.

Evidence & sources

No graded research studies for 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EU CosIng Cosmetics Regulation Annexes

    regulatory · updated 2016-11-24

    Open →

  • EPA Chemical and Products Database

    exposure · updated March 8, 2019

    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.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride in a product composition. These are source records, not Greenveil catalog products.

Source records

37

Named organisations

4

Cleaning products and household careLaboratory suppliesFood and drug
See products using 4,4'-(4-Iminocyclohexa-2,5-dienylidenemethylene) dianiline hydrochloride →