N,N'-Diphenyl-p-phenylenediamine

U.S. production volumes are classified as confidential business information.

Molecular structure of 74-31-7
US ProductionCBI
Import Value$132M
Top SourceChina 27%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 292151 · basket

These shares come from HS customs code 292151, which covers 15 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 27%ChinaBE 26%BelgiumKR 17%South KoreaDE 16%GermanyIN 13%India
EPA-registered importers (1)
Continental Tire

Why It Matters

Sectors
Plastics & Rubber
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

  • Chemical reaction regulator in Plastics Material and Resin Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
  • Chemical reaction regulator in Synthetic Rubber Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.26/gAngene Chemical
CountryChina (registered: Hong Kong)
Pack$64.00 / 250 g
Purity97%
Vendors19 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

18 more vendors
VendorCountry$/gPackPurity
Aaron Chemicals LLCHong Kong$0.26250 g
BLD Pharmatech Ltd.China$0.34500 g95%
A2B Chem LLCUnited States$0.43100 g95%
AA BLOCKSUnited States$0.52500 g98%
Cayman EuropeEstonia$0.74500 g98%
AK Scientific, Inc.United States$1.12500 g98%
AK Scientific SpecializedUnited States$1.50500 g99%
AstaTech (2 weeks)United States$1.9225 g97%
Angene International LimitedUnited States$2.37500 g99%
Combi-Blocks, Inc.United States$4.8025 g95%
Sigma-Aldrich (Rush Stock)Germany$7.7225 g98%
Sigma-AldrichGermany$7.7225 g98%
MedKoo Biosciences, IncUnited States$15.2025 g98%
MedChemExpress MCESweden$31.461 g98.02%
Key Organics Ltd.United Kingdom$740.00100 mg95%
MolnovaChina$1284.00500 mg99%
AngeneChina Hong Kong$4266.6730 mg98%
TimTec, LLC (back-ordered)United States$32000.0015 mg94%

Chemical Identity

CAS74-31-7
PubChem CID6319
DTXSIDDTXSID9020538
FormulaC18H16N2
Mol. Weight260.3 g/mol
SMILESC1=CC=C(C=C1)NC2=CC=C(C=C2)NC3=CC=CC=C3

Data Sources

DTXSID90205382026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

63192026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6319/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6319.json

74-31-72026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 74-31-72026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv