Also known as: Methanaminium, N-[4-[[4-(dimethylamino)phenyl][4-(phenylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride, Methanaminium, N-[4-[[4-(dimethylamino)phenyl][4-(phenylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1), (4-((4-Anilino-1-naphthyl)(4-(dimethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)dimethylammonium chloride, N-(4-((4-(Dimethylamino)phenyl)(4-(phenylamino)-1-naphthalenyl)methylene)-2,5- cyclohexadien-1-ylidene)-N-methylmethanaminium, chloride, ADC Victoria Blue B (+15 more)
INCI: BASIC BLUE 26
Basic Blue 26 (CAS 2580-56-5) is a cosmetic cosmetic ingredient functioning as Hair dyeing (cationic direct dye). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
US NotesCoal-tar hair dye exemption applies with required caution labeling
For full compliance data across multiple jurisdictions, use the
Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Basic Blue 26.
Calculate MoS for your specific formulation with the
MoS Calculator.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
Ceased manufacture
Substance Type
SUBSTANCE
SVHC Candidate
Yes (since 18-Jun-2012)
Hazard classification:Restricted (Annex XVII)
SVHC reason:Carcinogenic (Article 57a)
Substance of Very High Concern (SVHC)
Included: 18-Jun-2012
Carcinogenic (Article 57a)
EU CosIng Annex Listing
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Annex II — Prohibited
Ref: 1340
(EC) 2013/344
Annex IV — Permitted Colorants
Product type: Blue
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
SA Saudi SFDA (II - Prohibited)
ASEAN Cosmetic Directive (II)
Ref: 1340
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
India: Permitted Colorant
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (3)
EU Banned in CosmeticsEU Regulated in Personal CareEU CosIng Cosmetics Ingredient Database
Expert Verdict
Expert safety assessment and concern-level summary for Basic Blue 26.
Regulatory Flags
eu_banned_cosmeticseu_cosing_listed
Known Synonyms
Methanaminium, N-[4-[[4-(dimethylamino)phenyl][4-(phenylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chlorideMethanaminium, N-[4-[[4-(dimethylamino)phenyl][4-(phenylamino)-1-naphthalenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride (1:1)(4-((4-Anilino-1-naphthyl)(4-(dimethylamino)phenyl)methylene)cyclohexa-2,5-dien-1-ylidene)dimethylammonium chlorideN-(4-((4-(Dimethylamino)phenyl)(4-(phenylamino)-1-naphthalenyl)methylene)-2,5- cyclohexadien-1-ylidene)-N-methylmethanaminium, chlorideADC Victoria Blue BAizen Victoria Blue B BaseAizen Victoria Blue BHCalcozine Blue BEINECS 219-943-6Hecto Blue BHekto Blue BHidaco Victoria Blue BHidaco Victoria Blue B BaseMitsui Victoria Blue BNSC 11245Symulex Blue BOFTertrophene BlueTungstate Blue Toner BT-311Victoria Blue BVictoria Blue BA
Chemical Function
Dye
Regulatory Lists
Europe; Personal carebanned; Europe; Personal careEurope; Personal care; restricted
Australian Status
AICIS status:listed
Frequently Asked Questions
Is Basic Blue 26 safe in cosmetics?
Basic Blue 26 has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.
Is Basic Blue 26 allowed in the EU?
Basic Blue 26 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does Basic Blue 26 do in cosmetics?
Basic Blue 26 functions as: Hair dyeing (cationic direct dye). It is classified as a cosmetic ingredient in our database. CAS number: 2580-56-5.
Is Basic Blue 26 used outside cosmetics?
Basic Blue 26 also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Basic Blue 26 have different safety status in cosmetics vs industrial chemicals?
Basic Blue 26 is prohibited in EU cosmetics but has active industrial GHS classifications (H302, H317, H318, H319, H400, H410, H301, H351).
Compliance Tools
Check Basic Blue 26 compliance across multiple jurisdictions:
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.