Good Cosmetic Ingredient NOAEL Data

HC Yellow No. 10

INCI: HC YELLOW NO. 10

CAS Number
109023-83-8
Function
Semi-permanent non-oxidative hair dye, nitro dye class
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
EU Max Conc. 0.1%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted under coal-tar hair dye exemption under FD&C Act ยง601(a); requires caution labeling

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for HC Yellow No. 10. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
LOAEL 25 mg/kg bw/day oral rat Subchronic COSMOS_DB

Expert Verdict

Secondary amine with nitrosamine risk; must not combine with nitrosating agents and nitrosamine content must be below 50 ppb; lacks chronic toxicity and carcinogenicity data; no in vivo genotoxicity data submitted

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Concern Level: High

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is HC Yellow No. 10 safe in cosmetics?

Secondary amine with nitrosamine risk; must not combine with nitrosating agents and nitrosamine content must be below 50 ppb; lacks chronic toxicity and carcinogenicity data; no in vivo genotoxicity data submitted The EU classifies HC Yellow No. 10 as "prohibited". Safety rating: GOOD. 1 toxicological study endpoint(s) are available in our database.

Is HC Yellow No. 10 allowed in the EU?

HC Yellow No. 10 EU regulatory status: prohibited. Maximum allowed concentration: 0.1%. This is based on EU Regulation 1223/2009 and its amendments.

What does HC Yellow No. 10 do in cosmetics?

HC Yellow No. 10 functions as: Semi-permanent non-oxidative hair dye, nitro dye class. It is classified as a cosmetic ingredient in our database. CAS number: 109023-83-8.

What is the Margin of Safety for HC Yellow No. 10?

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.

What is the NOAEL for HC Yellow No. 10?

The NOAEL (No Observed Adverse Effect Level) for HC Yellow No. 10 is 25 mg/kg bw/day based on a Subchronic study via oral route in rat. Source: COSMOS_DB.

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