MODERATE Cosmetic Ingredient SCCS/CIR Reviewed

N-PHENYL-P-PHENYLENEDIAMINE SULFATE

N-PHENYL-P-PHENYLENEDIAMINE SULFATE (CAS 4698-29-7) is a cosmetic cosmetic ingredient functioning as Hair Dyeing. EU Regulation 1223/2009 status: restricted, max III/8; 1 safety opinion reviewed (CIR Safety Assessment). Industrial safety data is also available in the chemical safety database.

View industrial chemical safety profile for CAS 4698-29-7 →

Function
Hair Dyeing
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.

Chemistry & Identifiers

Formula
C24H26N4O4S
MW
466.6 g/mol
PubChem CID
78425
IUPAC Name
bis(4-N-phenylbenzene-1,4-diamine);sulfuric acid
InChIKey
ZRFXOEFNFAPWJA-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
EU Max Conc. III/8
US US Status restricted
US Notes Permitted under the coal-tar hair dye exemption with standard caution labeling and patch-test instructions.

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

Safety Opinions

Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).

CIR Safety Assessment
Verdict: unknown

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Dye

Editorial summary

Preliminary editorial summary for N-PHENYL-P-PHENYLENEDIAMINE SULFATE — not a computed safety verdict. See the sourced toxicological data above.

Regulatory Flags

cosing-sourced eu-restricted needs-enrichment

Chemical Function

Dye

Regulatory Lists

Europe; Personal care - hair coloring Europe; Personal care - hair coloring

Frequently Asked Questions

Is N-PHENYL-P-PHENYLENEDIAMINE SULFATE safe in cosmetics?

N-PHENYL-P-PHENYLENEDIAMINE SULFATE has a safety rating of "MODERATE" in our database. EU status: restricted. US status: restricted. This ingredient has been reviewed by CIR Safety Assessment.

Is N-PHENYL-P-PHENYLENEDIAMINE SULFATE allowed in the EU?

N-PHENYL-P-PHENYLENEDIAMINE SULFATE EU regulatory status: restricted. Maximum allowed concentration: III/8. This is based on EU Regulation 1223/2009 and its amendments.

What does N-PHENYL-P-PHENYLENEDIAMINE SULFATE do in cosmetics?

N-PHENYL-P-PHENYLENEDIAMINE SULFATE functions as: Hair Dyeing. It is classified as a cosmetic ingredient in our database. CAS number: 4698-29-7.

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