3-Amino-2,4-Dichlorophenol

INCI: 3-AMINO-2,4-DICHLOROPHENOL

CAS Number
61693-42-3
Function
Hair dyeing — oxidative hair dye precursor (COLIPA No. A43)
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
EU Max Conc. 2.0%
🇺🇸 US Status permitted
US Notes Coal tar hair dye exemption under FD&C Act §601(a); caution labeling required

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

Safety Data

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

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Must carry warning: Contains hair colourants. Can cause severe allergic reactions. Patch test required. Not for use on persons under 16. Some marketed formulations exceed the 2% EU Directive limit.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is 3-Amino-2,4-Dichlorophenol safe in cosmetics?

Must carry warning: Contains hair colourants. Can cause severe allergic reactions. Patch test required. Not for use on persons under 16. Some marketed formulations exceed the 2% EU Directive limit. The EU classifies 3-Amino-2,4-Dichlorophenol as "prohibited". Safety rating: MODERATE.

Is 3-Amino-2,4-Dichlorophenol allowed in the EU?

3-Amino-2,4-Dichlorophenol EU regulatory status: prohibited. Maximum allowed concentration: 2.0%. This is based on EU Regulation 1223/2009 and its amendments.

What does 3-Amino-2,4-Dichlorophenol do in cosmetics?

3-Amino-2,4-Dichlorophenol functions as: Hair dyeing — oxidative hair dye precursor (COLIPA No. A43). It is classified as a cosmetic ingredient in our database. CAS number: 61693-42-3.

What is the Margin of Safety for 3-Amino-2,4-Dichlorophenol?

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.

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