HC Blue No. 9

INCI: HC BLUE NO. 9

CAS Number
114087-41-1 (free base) / 114087-42-2 (HCl salt)
Function
Hair dyeing — semi-permanent direct dye (blue)
Safety Rating
POOR

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Permitted under coal-tar hair dye exemption (FD&C Act §601(a)); not an FDA-listed color additive under 21 CFR 73/74

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
moderate
Sensitization
moderate

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

EU-banned due to inadequate safety dossier; SCCNFP concluded use cannot be considered safe; nitro-aromatic structure raises mutagenicity and genotoxicity concerns.

⚠️
Concern Level: High

Frequently Asked Questions

Is HC Blue No. 9 safe in cosmetics?

EU-banned due to inadequate safety dossier; SCCNFP concluded use cannot be considered safe; nitro-aromatic structure raises mutagenicity and genotoxicity concerns. The EU classifies HC Blue No. 9 as "prohibited". Safety rating: POOR.

Is HC Blue No. 9 allowed in the EU?

HC Blue No. 9 EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does HC Blue No. 9 do in cosmetics?

HC Blue No. 9 functions as: Hair dyeing — semi-permanent direct dye (blue). It is classified as a cosmetic ingredient in our database. CAS number: 114087-41-1 (free base) / 114087-42-2 (HCl salt).

What is the Margin of Safety for HC Blue No. 9?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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