Basic Yellow 11

Also known as: C.I. 48055, C.I. Basic Yellow 18, C.I. No. 48055, Aizen Cathilon Yellow 3GH, Aizen Cathilon Yellow 3GL (+14 more)

INCI: BASIC YELLOW 11

Basic Yellow 11 (CAS 4208-80-4) is a cosmetic cosmetic ingredient functioning as Hair dyeing (semi-permanent cationic dye). EU Regulation 1223/2009 status: restricted. Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 4208-80-4 →

Auto-generated CPSR Part A draft with source citations
Function
Hair dyeing (semi-permanent cationic dye)
Safety Rating
MODERATE

Chemistry & Identifiers

Regulatory Status

EU EU Status restricted
US US Status permitted
US Notes Exempt under coal-tar hair dye provision; caution statement required

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 Yellow 11.

Calculate MoS for your specific formulation with the MoS Calculator.

EU CosIng Annex Listing

European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.

Annex II — Prohibited
Ref: 1273
(EC) 2009/1223

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: 1273
BRIN Brazil/India Cosmetics
Brazil: Prohibited
India: Prohibited (GNRAS)
Additional Jurisdictional Restrictions (1)
Jurisdiction Status Max % Product Type
KR prohibited - -

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye
Regulatory List Membership (2)
EU Banned in Cosmetics EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Basic Yellow 11.

Regulatory Flags

eu_banned_cosmetics eu_cosing_listed

Known Synonyms

C.I. 48055 C.I. Basic Yellow 18 C.I. No. 48055 Aizen Cathilon Yellow 3GH Aizen Cathilon Yellow 3GL Aizen Cathilon Yellow 3GLH Aizen Cathion Yellow 3GH Aizen Cathion Yellow 3GL Aizen Cathion Yellow 3GLH Astrazon Yellow 3G Astrazon Yellow 3GL Atacryl Yellow 4G Atacryl Yellow 4G-FS Deorlene Yellow 2G 2-(2-(2,4-Dimethoxyanilino)vinyl)-1,3,3-trimethyl-3H-indolium chloride 2-(2-((2,4-Dimethoxyphenyl)amino)ethenyl)-1,3,3-trimethyl-3H-indolium chloride EINECS 224-132-5 Genacryl Yellow 3G Genacryl Yellow 4G

Chemical Function

Dye

Regulatory Lists

banned; Europe; Personal care

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Basic Yellow 11 safe in cosmetics?

Basic Yellow 11 has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.

Is Basic Yellow 11 allowed in the EU?

Basic Yellow 11 EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.

What does Basic Yellow 11 do in cosmetics?

Basic Yellow 11 functions as: Hair dyeing (semi-permanent cationic dye). It is classified as a cosmetic ingredient in our database. CAS number: 4208-80-4.

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