Is PNA safe in cosmetics?
PNA has a safety rating of "POOR" in our database. EU status: prohibited. US status: prohibited.
Poor
Cosmetic Ingredient
PNA
PNA (CAS Ambiguous — if p-Nitroaniline (4-Nitroaniline): 100-01-6) is a cosmetic cosmetic ingredient functioning as Hair dye intermediate (historically). EU Regulation 1223/2009 status: prohibited. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
Ambiguous — if p-Nitroaniline (4-Nitroaniline): 100-01-6
View industrial chemical safety profile →
Function
Hair dye intermediate (historically)
Safety Rating
POOR
Regulatory Status
EU EU Status
prohibited
US US Status
prohibited
US Notes
Not approved as a color additive by FDA; not GRAS for cosmetic use
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for PNA.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for PNA.
Frequently Asked Questions
Is PNA allowed in the EU?
PNA EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.
What does PNA do in cosmetics?
PNA functions as: Hair dye intermediate (historically). It is classified as a cosmetic ingredient in our database. CAS number: Ambiguous — if p-Nitroaniline (4-Nitroaniline): 100-01-6.
Compliance Tools
Check PNA compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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