2-Amino-5-Ethylphenol HCl

INCI: 2-AMINO-5-ETHYLPHENOL HCL

CAS Number
149861-22-3
Function
Hair dyeing — oxidative hair dye precursor
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
EU Max Conc. 1.0%
🇺🇸 US Status permitted
US Notes Permitted for use; limited to oxidative hair dyes

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.

Expert Verdict

Mean TER of 3.7 kΩ (±1.0) after 24 h contact indicates skin damage potential; stability in typical hair dye formulations was not reported in the dossier.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is 2-Amino-5-Ethylphenol HCl safe in cosmetics?

Mean TER of 3.7 kΩ (±1.0) after 24 h contact indicates skin damage potential; stability in typical hair dye formulations was not reported in the dossier. The EU classifies 2-Amino-5-Ethylphenol HCl as "prohibited". Safety rating: MODERATE.

Is 2-Amino-5-Ethylphenol HCl allowed in the EU?

2-Amino-5-Ethylphenol HCl EU regulatory status: prohibited. Maximum allowed concentration: 1.0%. This is based on EU Regulation 1223/2009 and its amendments.

What does 2-Amino-5-Ethylphenol HCl do in cosmetics?

2-Amino-5-Ethylphenol HCl functions as: Hair dyeing — oxidative hair dye precursor. It is classified as a cosmetic ingredient in our database. CAS number: 149861-22-3.

What is the Margin of Safety for 2-Amino-5-Ethylphenol HCl?

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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