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  • industrial

Basic blue 7

CAS 51938-69-3 · 100/100 · High conf.

Also registered as 6 other CAS numbers

54066-28-3 · 57657-49-5 · 72175-85-0 · 213762-89-1 · 336110-89-5 · 2390-60-5

Basic blue 7 chemical structure

Concern score

100/100Critical concern based on regulatory listings.
High confidence

Basic blue 7 in plain language

What it is

Also known as Aizen sbn blue 701 · C.I. basic blue 7 · Victoria pure blue bo · Aizen Victoria Blue BO · Aizen Victoria Pure Blue BOH · Brilliant Victoria Blue RB

Show all 31 names

Brilliant Victoria Blue RS · C.I. 42595 · C.I. Basic Blue 7 (8CI) · CI Basic Blue 7 · Calcozine Pure Blue BO · Eljon Blue Toner · Hidaco Victoria Blue BGO · Sicilian Blue X-2758 · Silosuper Blue B · Victoria Blue BON 110 · Victoria Blue FBO · Victoria Pure Blue · Victoria Pure Blue BGO · Victoria Pure Blue BOC · Victoria Pure Blue BOD · Victoria Pure Blue BON · Victoria Pure Blue BOP · Victoria Pure Blue FBO · Victoria Pure Blue RB · Victoria Pure Lake Blue · dye · dye in the colored versions. · dyes · dyes and defoamers · victoria blue b base dye

What it does

Used in cosmetics as a hair dye.

  • Hair dyeing
  • Colourant
Is it a concern?
Critical concern: no hazard classifications on record. It is banned in EU cosmetics.

Why it's flagged

Ethanaminium, N-[4-[[4-(diethylamino)phenyl][4-(ethylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidine]-N-ethyl-, and its salts, when used as a substance in hair dye products 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
  • Industrial

  • EUEC

    Annex II of EU Cosmetics Regulation (EC) 1223/2009: substances prohibited in cosmetic products.

    banned
    View source →
  • EUCosIngActive2 entries
  • USEPAcommercial use observedEPA CPDat observed this chemical in 18 composition records across product categories including Electronics/small appliances, Industrial products. EPA CPDat classifies this chemical for functional uses including Dye.
    • EPA CPDat observed this chemical in 18 composition records across product categories including Electronics/small appliances, Industrial products. EPA CPDat classifies this chemical for functional uses including 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 Basic blue 7. 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 Basic blue 7 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 2010-10-21

    Open →

  • EPA Chemical and Products Database

    exposure · updated January 7, 2008

    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

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 Basic blue 7 in a product composition. These are source records, not Greenveil catalog products.

Source records

18

Named organisations

2

Electronics/small appliancesIndustrial products

Typical roles

Hair dyeingColourant
See products using Basic blue 7 →

Catalog

Found in these products

Their ingredient lists include Basic blue 7; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 330 →Find products without it →