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. Same-CAS public records also appear in industrial chemical safety data.

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

Auto-generated CPSR Part A draft with source citations
Function
Hair Dyeing
Safety Rating
MODERATE

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

Expert Verdict

Expert safety assessment and concern-level summary for N-PHENYL-P-PHENYLENEDIAMINE SULFATE.

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.

Is N-PHENYL-P-PHENYLENEDIAMINE SULFATE used outside cosmetics?

N-PHENYL-P-PHENYLENEDIAMINE SULFATE also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does N-PHENYL-P-PHENYLENEDIAMINE SULFATE have different safety status in cosmetics vs industrial chemicals?

N-PHENYL-P-PHENYLENEDIAMINE SULFATE is classified GHS Danger (H301, H302, H315, H317, H319, H335, H400, H410) in the chemicals database but is restricted in EU cosmetics at max III/8.

Related Ingredients

(CALENDULA OFFICINALIS/SAFFLOWER FLOWER)/(ACHILLEA MILLEFOLIUM FLOWER/LEAF/STEM)/(VACCINIUM MYRTILLUS/VITEX AGNUS-CASTUS FRUIT)/RHUS CHINENSIS GALL/WALNUT HUSK/(CAMELLIA SINENSIS/NETTLE LEAF)/(JUNIPERUS COMMUNIS LEAF/STEM)/HORSE CHESTNUT NUT/DICHROA FEBRIFUGA ROOT/GRAPE SEED/ACACIA CATECHU WOOD/GOLDENROD/HYPERICUM PERFORATUM EXTRACT
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Good Same category
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Good Same category
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N-ISOPROPYL 4,5-DIAMINO PYRAZOLE SULFATE
Good Same category
Hair Dyeing
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(Eclipta Prostrata/Houttuynia Cordata) Leaf Extract
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(Licorice/Reynoutria Japonica) Root/Stem Extract
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Skin conditioning, antioxidant
N-PHENYL-P-PHENYLENEDIAMINE HCL
Moderate Browse nearby
Hair Dyeing
N-PROLYL PALMITOYL TRIPEPTIDE-56 ACETATE
Good Browse nearby
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Good Browse nearby
Humectant; Softener and conditioner

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