Moderate Cosmetic Ingredient NOAEL Data

2-Chloro-6-Ethylamino-4-Nitrophenol

INCI: 2-CHLORO-6-ETHYLAMINO-4-NITROPHENOL

CAS Number
131657-78-8
Function
Hair dyeing (oxidative and non-oxidative/semi-permanent dyes)
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status restricted
EU Max Conc. 3.0%
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No specific FDA restriction; coal-tar dye exemption applies with caution labeling

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

1 study endpoint found for 2-Chloro-6-Ethylamino-4-Nitrophenol. 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 10 mg/kg bw/day oral rat Subchronic COSMOS_DB

Expert Verdict

Restricted under Annex III at 3.0% maximum concentration for hair dyes. Mandatory allergic reaction warning required; not permitted for eyelash or eyebrow use. FDA permits with coal-tar dye exemption provisions.

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Concern Level: Moderate

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is 2-Chloro-6-Ethylamino-4-Nitrophenol safe in cosmetics?

Restricted under Annex III at 3.0% maximum concentration for hair dyes. Mandatory allergic reaction warning required; not permitted for eyelash or eyebrow use. FDA permits with coal-tar dye exemption provisions. The EU classifies 2-Chloro-6-Ethylamino-4-Nitrophenol as "restricted". Safety rating: MODERATE. 1 toxicological study endpoint(s) are available in our database.

Is 2-Chloro-6-Ethylamino-4-Nitrophenol allowed in the EU?

2-Chloro-6-Ethylamino-4-Nitrophenol EU regulatory status: restricted. Maximum allowed concentration: 3.0%. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Chloro-6-Ethylamino-4-Nitrophenol do in cosmetics?

2-Chloro-6-Ethylamino-4-Nitrophenol functions as: Hair dyeing (oxidative and non-oxidative/semi-permanent dyes). It is classified as a cosmetic ingredient in our database. CAS number: 131657-78-8.

What is the Margin of Safety for 2-Chloro-6-Ethylamino-4-Nitrophenol?

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 2-Chloro-6-Ethylamino-4-Nitrophenol?

The NOAEL (No Observed Adverse Effect Level) for 2-Chloro-6-Ethylamino-4-Nitrophenol is 10 mg/kg bw/day based on a Subchronic study via oral route in rat. Source: COSMOS_DB.

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