Ingredient Dictionary

CI 42510

Rosanilin is a hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline.

Definition

Rosanilin is a hydrochloride that is the monohydrochloride of 4-[(4-aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline. One of the major constituents of Basic fuchsin, together with pararosanilin, magenta II and new fuchsin. It has a role as a carcinogenic agent, a fluorochrome and a histological dye. It contains a rosanilin(1+).

Source: PubChem

US FDA substance register · UNII 8UUC89LHB2 · registered name BASIC VIOLET 14 · single chemical substance

Source: US FDA Unique Ingredient Identifier (UNII)

CI 42510 is classed chemically as a triphenylmethane colour. It conforms to the formula:

Cosmetic roles

Dyes hairHAIR DYEINGAdds colourCOLORANT

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

Source: Korea toxic substances GHS register (NIER)

EU Cosmetics Regulation, Annex IV (allowed colourants), entry 66 · maximum concentration Not to be used in products applied on mucous membranes

Source: EU allowed colourants (Annex IV)

Restriction II/1329

Source: EU CosIng ingredient list

Restriction IV/66 (CI 42510) II/1329 (Basic Violet 14; CI 42510: when used as a substance in hair dye products) · Other restriction: ban substances that deplete the ozone layer

Source: EU CosIng ingredient list

More data — names, identifiers, properties, test records, literature

Official labels & definitions

JCIA labelling name 塩基性紫１４: 本品は、次の化学式で表されるトリフェニルメタン系頭髪用染料である。

Source: JCIA labelling names (Japan)

Names & identifiers

CI 42510INCI염기성자색14호Korean label name (MFDS standard)Benzenamine, 4-[(4-aminophenyl)(4-imino-2,5-cyclohexadien-1-ylidene)methyl]-2-methyl-, monohydrochlorideSynonymBASIC VIOLET 14Synonym

CAS No.chemical registry number: 632-99-5
EC No.EU chemical inventory number: 211-189-6
DTXSIDUS EPA chemical ID: DTXSID6021246
DTXCIDUS EPA compound ID: DTXCID101246

IUPAC: 4-[(4-Aminophenyl)(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline--hydrogen chloride (1/1)
Molecular formula: C20H20ClN3
Molecular weight: 337.85 g/mol

Measured properties

Appearance: solid
Melting/freezing point: 200 ℃
Flash point: 200 ℃
Vapour pressure: 0.000000000749 ㎜Hg(at 25℃)
Water solubility: 2650 ㎎/ℓ(at 25℃)
Relative density: 0.6016 (g/cm3, at20℃)
n-Octanol/water partition coefficient (Kow): 2.92
Molecular weight: 337.852

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: KOSHA safety data sheets (Korea)

What products actually use it for

What the 2 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.

Dye2

Source: US EPA CompTox dashboard

Irritation and sensitisation studies

4 skin studies and 1 eye studies are on record.

Classed as low2

The study conclusions largely agree (100%). These tests are on the raw material itself; irritation at the amount in a finished product is a different question.

See all 5 studies

Classification not possible
Skin Sensitization · Screening
Not likely to be sensitizing
skin sensitisation · Screening · according to other guideline: as mentioned below
Studies Indicate No Significant Irritation
skin irritation: in vivo · Screening · other guideline: as mentioned below according to
Classification not possible
Skin Irritation · Screening
Classification not possible
Eye Irritation · Screening