Basic Violet 3

Also known as: Hexamethyl-p-rosaniline chloride, Methanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride, Crystal violet, C.I. 42555, Methanaminium, N-​[4-​[bis[4-​(dimethylamino)​phenyl]​methylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​methyl-​, chloride (1:1) (+15 more)

INCI: BASIC VIOLET 3

Basic Violet 3 (CAS 548-62-9) is a cosmetic cosmetic ingredient functioning as Hair dyeing; antimicrobial; histological stain. 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 and pharmaceutical data.

View industrial chemical safety profile for CAS 548-62-9 →

Auto-generated CPSR Part A draft with source citations
Function
Hair dyeing; antimicrobial; histological stain
Safety Rating
POOR

Chemistry & Identifiers

EC Number
208-953-6

Regulatory Status

EU EU Status prohibited
US US Status permitted
US Notes Ingredients

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 Violet 3.

Calculate MoS for your specific formulation with the MoS Calculator.

IARC Carcinogenicity

International Agency for Research on Cancer (WHO) monograph evaluation.

IARC Group
2B
Volume
129
Evaluation Year
2021

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Danger
Pictograms
Health HazardHarmful / IrritantCorrosiveEnvironmental Hazard
Hazard Class and Category
Carc. 2; Acute Tox. 4 *; Eye Dam. 1; Aquatic Acute 1; Aquatic Chronic 1
Hazard Statements
  • H351 Suspected of causing cancer
  • H302 Harmful if swallowed
  • H318 Causes serious eye damage
  • H400 Very toxic to aquatic life
  • H410 Very toxic to aquatic life with long lasting effects

Inserted via ATP: CLP00

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
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)

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.

ASEAN Cosmetic Directive (II)
Ref: 380
Additional Jurisdictional Restrictions (3)
Jurisdiction Status Max % Product Type
BR banned - -
CA banned - -
KR prohibited - -

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (3)
California Proposition 65 (OEHHA) EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Basic Violet 3.

Regulatory Flags

prop65 eu_banned_cosmetics eu_cosing_listed

Known Synonyms

Hexamethyl-p-rosaniline chloride Methanaminium, N-[4-[bis[4-(dimethylamino)phenyl]methylene]-2,5-cyclohexadien-1-ylidene]-N-methyl-, chloride Crystal violet C.I. 42555 Methanaminium, N-​[4-​[bis[4-​(dimethylamino)​phenyl]​methylene]​-​2,​5-​cyclohexadien-​1-​ylidene]​-​N-​methyl-​, chloride (1:1) Aizen Crystal Violet Extra Pure Caswell No. 264A Crystal Violet chloride salt Crystal Violet Extra Pure Crystal Violet Extra Pure APN Crystal Violet Extra Pure APNX Crystal Violet HL2 EINECS 208-953-6 EPA Pesticide Chemical Code 039502 Hexamethyl p-rosaniline hydrochloride Hidaco Crystal Violet Methylrosanilini chloridum Methylrosanilinum chloratum NCI-C55969 NSC 3090

Chemical Function

Dye

Regulatory Lists

banned; Europe; Personal care active_ingredient; Europe; Pesticides OEHHA Proposition 65 (3/2019) OEHHA Proposition 65 (1/2023) pharmaceutical active_ingredient; Europe; Pesticides

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
GENTIAN VIOLET
ChEMBL ID
CHEMBL64894
Max Phase
4
Adverse Event Associations
16
View full pharmaceutical profile →

Frequently Asked Questions

Is Basic Violet 3 safe in cosmetics?

Basic Violet 3 has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.

Is Basic Violet 3 allowed in the EU?

Basic Violet 3 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Basic Violet 3 do in cosmetics?

Basic Violet 3 functions as: Hair dyeing; antimicrobial; histological stain. It is classified as a cosmetic ingredient in our database. CAS number: 548-62-9.

Is Basic Violet 3 used outside cosmetics?

Basic Violet 3 also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Basic Violet 3 have different safety status in cosmetics vs industrial chemicals?

Basic Violet 3 is prohibited in EU cosmetics but has active industrial GHS classifications (H302, H318, H350, H351, H400, H410).

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