Is 2,2'-Methylenebis-4-Aminophenol HCl safe in cosmetics?
2,2'-Methylenebis-4-Aminophenol HCl has a safety rating of "MODERATE" in our database. EU status: restricted. US status: permitted.
MODERATE
Cosmetic Ingredient
2,2'-Methylenebis-4-Aminophenol HCl
INCI: 2,2'-METHYLENEBIS-4-AMINOPHENOL HCL (COLIPA N° A155)
2,2'-Methylenebis-4-Aminophenol HCl (CAS 27311-52-0 (dihydrochloride salt)) is a cosmetic cosmetic ingredient functioning as Hair dyeing - oxidative and non-oxidative hair dye. EU Regulation 1223/2009 status: restricted, max 2.0%. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 27311-52-0 (dihydrochloride salt) →
Function
Hair dyeing - oxidative and non-oxidative hair dye
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
restricted
EU Max Conc.
2.0%
US US Status
permitted
US Notes
Coal tar hair dye exemption; labeling and patch test requirements apply
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for 2,2'-Methylenebis-4-Aminophenol HCl.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for 2,2'-Methylenebis-4-Aminophenol HCl — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
potential-allergen
Frequently Asked Questions
Is 2,2'-Methylenebis-4-Aminophenol HCl allowed in the EU?
2,2'-Methylenebis-4-Aminophenol HCl EU regulatory status: restricted. Maximum allowed concentration: 2.0%. This is based on EU Regulation 1223/2009 and its amendments.
What does 2,2'-Methylenebis-4-Aminophenol HCl do in cosmetics?
2,2'-Methylenebis-4-Aminophenol HCl functions as: Hair dyeing - oxidative and non-oxidative hair dye. It is classified as a cosmetic ingredient in our database. CAS number: 27311-52-0 (dihydrochloride salt).
Compliance Tools
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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2,2'-METHYLENEBIS-4-AMINOPHENOL
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Hair Dyeing
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