- beauty
- industrial
N,N'-Diphenyl-p-phenylenediamine
CAS 74-31-7
Also registered as 3 other CAS numbers
66746-42-7 · 72711-53-6 · 943443-44-5
Concern score
Not assessed — no hazard data yet.
N,N'-Diphenyl-p-phenylenediamine in plain language
Also known as P-phenylenediamine, n,n'-diphenyl- · 1-N,4-N-diphenylbenzene-1,4-diamine · Diphenyl-p-phenylenediamine · Dppd · N,n'-diphenyl 4-PHENYLENEDIAMINE · N~1~,N~4~-Diphenylbenzene-1,4-diamine
Show all 34 names
1,4-Benzenediamine, N,N'-diphenyl- · 1,4-Benzenediamine, N1,N4-diphenyl- · 1,4-Bis(phenylamino)benzene · 1,4-Dianilinobenzene · 4,4'-Diphenyl-p-phenylenediamine · 4-Phenylaminodiphenylamine · AgeRite DPPD · Altofane DIP · Antigene P · Antioxidant H · Bis(phenylamino)benzene · Dffd · Diafen FF · Flexamine G · N, n'-diphenyl paraphenylenediamine · N,N'-DIPHENYL-1,4-PHENYLENEDIAMINE · N,n'-diphenyl-para-phenylenediamine · N,N'-di--naphthyl-p-phenylene · N,N-Diphenyl-1,4-benzenediamine · N1,N4-Diphenyl-1,4-benzenediamine · Naugard J · Nonflex H · Nonox DPPD · Permanax 18 · Stabilizer DPPD · Usaf gy-2 · diphenyl-p-phenylenediamine or dppd or agerite · p-Phenylaminodiphenylamine
Used in consumer products as an antioxidant.
- Antioxidant
- We haven't assessed a concern score for this ingredient yet.
Regulation
No restrictions found. N,N'-Diphenyl-p-phenylenediamine appears in these published regulatory listings.
- Found in consumer products
- Beauty
- Industrial
USEPAcommercial use observedEPA CPDat observed this chemical in 6 composition records across product categories including Laboratory supplies, Personal care, Industrial products. EPA CPDat classifies this chemical for functional uses including Antioxidant.
- EPA CPDat observed this chemical in 6 composition records across product categories including Laboratory supplies, Personal care, Industrial products. EPA CPDat classifies this chemical for functional uses including Antioxidant.Source →
USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
- openFDA substance registry classifies this ingredient as chemical.Source →
Expert safety opinions
No expert opinion on file for N,N'-Diphenyl-p-phenylenediamine. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.
SCCS
EU Scientific Committee on Consumer Safety
No SCCS opinion on file.
CIR
Cosmetic Ingredient Review (US expert panel)
No CIR safety assessment on file.
Evidence & sources
No graded research studies for N,N'-Diphenyl-p-phenylenediamine yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.
Where this comes from
Reference links (2)
chemicalland21.com
Suitability
Context-specific fit derived from published classifications and the current ingredient evidence profile.
Fragrance avoidance
Nothing to weigh for this context yet.
We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.
Where it has been recorded
How often EPA CPDat has listed N,N'-Diphenyl-p-phenylenediamine in a product composition. These are source records, not Greenveil catalog products.
Source records
6
Named organisations
4
Laboratory suppliesPersonal careIndustrial products
Typical roles
Antioxidant