Moderate Cosmetic Ingredient NOAEL Data

2-Amino-4-Nitrophenol

INCI: 2-AMINO-4-NITROPHENOL

CAS Number
119-34-6
Function
Hair dyeing
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status prohibited
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR concluded safe as a hair dye ingredient

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

3 study endpoints found for 2-Amino-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
NOAEL 250 mg/kg bw/day oral rat oral REACH
NOAEL 1000 mg/kg bw/day dermal code:3484 dermal REACH
NOAEL 250 mg/kg bw/day oral mouse oral REACH

Expert Verdict

Prohibited in EU and ASEAN markets despite CIR clearance; animal studies showed little evidence of systemic toxicity but regulatory restrictions remain in place.

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Concern Level: Moderate

Regulatory Flags

eu_banned_cosmetics prop65 eu_cosing_listed

Frequently Asked Questions

Is 2-Amino-4-Nitrophenol safe in cosmetics?

Prohibited in EU and ASEAN markets despite CIR clearance; animal studies showed little evidence of systemic toxicity but regulatory restrictions remain in place. The EU classifies 2-Amino-4-Nitrophenol as "prohibited". Safety rating: MODERATE. 3 toxicological study endpoint(s) are available in our database.

Is 2-Amino-4-Nitrophenol allowed in the EU?

2-Amino-4-Nitrophenol EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Amino-4-Nitrophenol do in cosmetics?

2-Amino-4-Nitrophenol functions as: Hair dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 119-34-6.

What is the Margin of Safety for 2-Amino-4-Nitrophenol?

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.

What is the NOAEL for 2-Amino-4-Nitrophenol?

The NOAEL (No Observed Adverse Effect Level) for 2-Amino-4-Nitrophenol is 250 mg/kg bw/day based on a oral study via oral route in rat. A total of 3 study endpoints are available. Source: REACH.

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