N-Phenyl-p-Phenylenediamine
INCI: N-PHENYL-P-PHENYLENEDIAMINE
Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
Sensitization Profile
Contact sensitization data for N-Phenyl-p-Phenylenediamine based on clinical patch test studies and IFRA standards.
Source: IVDK; NACDG; ESSCA
Expert Verdict
Restricted oxidative hair dye colorant with adequate margin of safety despite poor safety profile; permitted in US under coal tar exemption with concentration limits and required caution labeling.
Frequently Asked Questions
Is N-Phenyl-p-Phenylenediamine safe in cosmetics?
Restricted oxidative hair dye colorant with adequate margin of safety despite poor safety profile; permitted in US under coal tar exemption with concentration limits and required caution labeling. The EU classifies N-Phenyl-p-Phenylenediamine as "restricted". Safety rating: POOR.
Is N-Phenyl-p-Phenylenediamine allowed in the EU?
N-Phenyl-p-Phenylenediamine EU regulatory status: restricted. Maximum allowed concentration: 0.2%. This is based on EU Regulation 1223/2009 and its amendments.
What does N-Phenyl-p-Phenylenediamine do in cosmetics?
N-Phenyl-p-Phenylenediamine functions as: Oxidative hair dye. It is classified as a cosmetic ingredient in our database. CAS number: 101-54-2 (free base); 2198-59-6 (HCl); 4698-29-7 (sulfate).
What is the Margin of Safety for N-Phenyl-p-Phenylenediamine?
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.
Compliance Tools
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Related Ingredients
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