Is HC Yellow No. 8 safe in cosmetics?
HC Yellow No. 8 has a safety rating of "POOR" in our database. EU status: prohibited. US status: permitted.
Poor
Cosmetic Ingredient
HC Yellow No. 8
Also known as: N-[6-[(2-Chloro-4-hydroxyphenyl)imino]-4-methoxy-3-oxo-1,4-cyclohexadien-1-yl]acetamide
INCI: HC YELLOW NO. 8
HC Yellow No. 8 (CAS 66612-11-1) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 66612-11-1 →
Auto-generated CPSR Part A draft with source citations
Function
Hair Dyeing
Safety Rating
POOR
Chemistry & Identifiers
IUPAC Name
N-[2-[(2-chloro-4-oxocyclohexa-2,5-dien-1-ylidene)amino]-5-hydroxy-4-methoxyphenyl]acetamide
InChIKey
DNCKSSGISBCYQW-UHFFFAOYSA-N
Regulatory Status
EU EU Status
prohibited
US US Status
permitted
US Notes
Not FDA-listed; no CIR safety assessment available
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for HC Yellow No. 8.
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: 1304
(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: 1304
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 HC Yellow No. 8.
Regulatory Flags
eu_banned_cosmetics
eu_cosing_listed
Known Synonyms
N-[6-[(2-Chloro-4-hydroxyphenyl)imino]-4-methoxy-3-oxo-1,4-cyclohexadien-1-yl]acetamide
Chemical Function
Dye
Regulatory Lists
banned; Europe; Personal care
Frequently Asked Questions
Is HC Yellow No. 8 allowed in the EU?
HC Yellow No. 8 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does HC Yellow No. 8 do in cosmetics?
HC Yellow No. 8 functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 66612-11-1.
Compliance Tools
Check HC Yellow No. 8 compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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