Victoria blue B is an iminium salt composed of 4-{(4-anilinonaphthalen-1-yl)[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio.
Definition
Victoria blue B is an iminium salt composed of 4-{(4-anilinonaphthalen-1-yl)[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio. It binds to nucleic acids and can be used in standardised staining techniques suitable for automated cell-pattern recognition. It has a role as a fluorochrome and a histological dye. It is an iminium salt and an organic chloride salt. It contains a victoria blue B(1+).
Source: PubChem
US FDA substance register · UNII Z1V8UTB56C · registered name BASIC BLUE 26 · single chemical substance
CI 44045 is classed chemically as a triphenylmethane colour. It conforms to the formula:
Cosmetic roles
Safety & regulatory references
- Banned
- Argentina · ASEAN · Brazil · European Union · Taiwan · United Kingdom
- Restricted or banned
- Argentina · ASEAN · Brazil · China · European Union · Taiwan
- Allowed colourant
- ASEAN
Source: ASEAN Cosmetic Directive · EU Cosmetics Regulation · MFDS (Korea) cosmetic regulatory information · Taiwan FDA cosmetic ingredients · UK cosmetics regulations (OPSS)
Not classified under Korea’s toxic-substance GHS list · existing chemical substance · priority-management substance
EU Cosmetics Regulation, Annex IV (allowed colourants), entry 69 · maximum concentration Not to be used in products applied on the mucous membranes
Source: EU allowed colourants (Annex IV)
EU Cosmetics Regulation, Annex II (prohibited substances), entry 1340
Restriction II/1340 (when used as a substance in hair dye products) · SCCS opinion: Assessment Strategies for Hair Dyes; Opinion concerning Use of Permanent Hair Dyes and Bladder Cancer - Updated 2004; Opinion on Personal Use of Hair Dyes and Cancer Risk; Opinion on the Use of Permanent Hair Dyes and Bladder Cancer Risk; Request for a Re-evaluation of hair dyes listed in Annex III to Directive 76/768/EEC on Cosmetic Products
Source: EU CosIng ingredient list
Restriction IV/69 (CI 44045) II/1340 (Basic Blue 26; CI 44045: when used as a substance in hair dye products) · Other restriction: ban substances that deplete the ozone layer · SCCS opinion: Assessment Strategies for Hair Dyes; Opinion concerning Use of Permanent Hair Dyes and Bladder Cancer - Updated 2004; Opinion on Personal Use of Hair Dyes and Cancer Risk; Opinion on the Use of Permanent Hair Dyes and Bladder Cancer Risk; Request for a Re-evaluation of hair dyes listed in Annex III to Directive 76/768/EEC on Cosmetic Products
Source: EU CosIng ingredient list
More data — names, identifiers, properties, test records, literature
Official labels & definitions
JCIA labelling name 塩基性青２６: 本品は、次の化学式で表されるトリアリルメタン系頭髪用色素である。
Source: JCIA labelling names (Japan)
Names & identifiers
- CAS No.chemical registry number
- 2580-56-5
- EC No.EU chemical inventory number
- 219-943-6
- DTXSIDUS EPA chemical ID
- DTXSID0038889
- DTXCIDUS EPA compound ID
- DTXCID8018889
- IUPAC
- 4-{(4-Anilinonaphthalen-1-yl)[4-(dimethylamino)phenyl]methylidene}-N,N-dimethylcyclohexa-2,5-dien-1-iminium chloride
- Molecular formula
- C33H32ClN3
- Molecular weight
- 506.09 g/mol
Measured properties
- Appearance
- Liquid
- Flammability (solid, gas)
- not flammable
- Water solubility
- 6.65 g/ℓ (20℃, pH: 1.92)
- n-Octanol/water partition coefficient (Kow)
- 8.579 (Pow, 20℃)
- Auto-ignition temperature
- 299.6 ℃
- Molecular weight
- 506.09
Values measured on the substance itself. The KOSHA data are a reference for writing and reviewing safety data sheets, not a specification for a commercial raw material.
Source: PubChem · KOSHA safety data sheets (Korea)
What products actually use it for
What the 5 products reported to the US EPA with this ingredient use it for. Products outside cosmetics are included, so the top few rows are its main uses.
- Dye5
Source: US EPA CompTox dashboard
Related literature
Linked databases 22
- ASEAN Cosmetic Directive
- Australian Industrial Chemicals Inventory (AICIS)
- ChEBI
- China inventory of existing ingredients (IECIC)
- EU allowed colourants (Annex IV)
- EU CosIng ingredient list 2 3
- EU Cosmetics Regulation
- EU prohibited substances (Annex II)
- JCIA labelling names (Japan)
- Korea toxic substances GHS register (NIER)
- KOSHA safety data sheets (Korea)
- MFDS (Korea) cosmetic regulatory information 2 3 4
- PubChem 2
- Taiwan FDA cosmetic ingredients
- Tlooto literature search
- UK cosmetics regulations (OPSS)
- UniChem cross-reference IDs
- US EPA CompTox dashboard 2
- US EPA DSSTox chemical database
- US FDA substance registration (GSRS)
- US FDA Unique Ingredient Identifier (UNII)
- Wikidata