Moderate Cosmetic Ingredient Sensitization Data

HC Yellow No. 9

INCI: HC YELLOW NO. 9

CAS Number
86419-69-4
Function
Hair Dyeing (non-oxidative semi-permanent)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 0.5%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted under coal-tar hair dye exemption (FD&C Act ยง601(a))

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Sensitization Profile

Contact sensitization data for HC Yellow No. 9 based on clinical patch test studies and IFRA standards.

Sensitization Rate
low
Allergen Class
dye
EU Allergen Listed
no
Patch Test Positive Rate
0.2%
Cross-reactivity Group
para-amino-group
Reaction Type
contact-dermatitis

Source: SCCS; IVDK

Expert Verdict

SCCS requested additional genotoxicity/mutagenicity data and nitrosamine content monitoring in formulations; impurity profile must be fully characterized.

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Concern Level: High

Regulatory Flags

eu_children_restricted eu_cosing_listed

Frequently Asked Questions

Is HC Yellow No. 9 safe in cosmetics?

SCCS requested additional genotoxicity/mutagenicity data and nitrosamine content monitoring in formulations; impurity profile must be fully characterized. The EU classifies HC Yellow No. 9 as "restricted". Safety rating: MODERATE.

Is HC Yellow No. 9 allowed in the EU?

HC Yellow No. 9 EU regulatory status: restricted. Maximum allowed concentration: 0.5%. This is based on EU Regulation 1223/2009 and its amendments.

What does HC Yellow No. 9 do in cosmetics?

HC Yellow No. 9 functions as: Hair Dyeing (non-oxidative semi-permanent). It is classified as a cosmetic ingredient in our database. CAS number: 86419-69-4.

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

adequate 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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