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Screening compounds

N,N'-Di-p-tolylbenzidine

Also known as N4,N4'-Di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine, N,N'-Bis(4-methylphenyl)benzidine, N,N'-Di-(4-methyl-phenyl)-benzidine

CAS 10311-61-2Formula C26H24N2Molar mass 364.49 g/mol
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N,N'-Di-p-tolylbenzidine chemical structure, C26H24N2, CAS 10311-61-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
10311-61-2
Formula
C26H24N2
Molar mass
364.49 g/mol
HS code
292159
Category
Screening compounds

What is N,N'-Di-p-tolylbenzidine?

Plain description, key identifiers and synonyms

N,N'-Di-p-tolylbenzidine is a chemical substance with the molecular formula C26H24N2 and a molar mass of 364.49 g/mol. Its CAS registry number is 10311-61-2. The IUPAC name is 4-methyl-N-[4-[4-(4-methylanilino)phenyl]phenyl]aniline.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-methyl-N-[4-[4-(4-methylanilino)phenyl]phenyl]aniline
CAS number
10311-61-2 CAS number cross-checked
Molecular formula
C26H24N2
MDL number
MFCD09833311
InChIKey
YUPJJGHTTBDCIK-UHFFFAOYSA-N
InChI
InChI=1S/C26H24N2/c1-19-3-11-23(12-4-19)27-25-15-7-21(8-16-25)22-9-17-26(18-10-22)28-24-13-5-20(2)6-14-24/h3-18,27-28H,1-2H3
SMILES (canonical and isomeric)
CC1=CC=C(C=C1)NC2=CC=C(C=C2)C3=CC=C(C=C3)NC4=CC=C(C=C4)C

Synonyms

  • N4,N4'-Di-p-tolyl-[1,1'-biphenyl]-4,4'-diamine
  • N,N'-Bis(4-methylphenyl)benzidine
  • N,N'-Di-(4-methyl-phenyl)-benzidine
  • 4-methyl-N-[4-[4-(4-methylanilino)phenyl]phenyl]aniline
  • N,N inverted exclamation mark -Di-p-tolylbenzidine
  • [1,1'-Biphenyl]-4,4'-diamine, N,N'-bis(4-methylphenyl)-
  • N,N\'-Di-p-tolylbenzidine
  • N,N/'-Di-(4-methyl-phenyl)-benzidine
  • N~4~,N~4'~-Bis(4-methylphenyl)[1,1'-biphenyl]-4,4'-diamine
  • N-(4-Methylphenyl)-4-{4-[(4-methylphenyl)amino]phenyl}aniline

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
364.49 g/molcalc.
Exact mass
364.1939 Dacalc.
LogP (octanol/water)
7.46calc.
Topological polar surface area
24.06 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
5calc.
Heavy atoms
28calc.
Rings
4calc.
Aromatic rings
4calc.
Fraction sp3 carbons
0.08calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccc(Nc2ccc(-c3ccc(Nc4ccccc4)cc3)cc2)cc1

c1ccc(Nc2ccc(-c3ccc(Nc4ccccc4)cc3)cc2)cc1

4 rings, 26 atoms, the N,N'-Diphenylbenzidine ring system.

14 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

N,N'-Di-p-tolylbenzidine suppliers

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N,N'-Di-p-tolylbenzidine price

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code N,N'-Di-p-tolylbenzidine is traded under.

HS 2921.59Indicative HS code

Aromatic polyamines and their derivatives, salts thereof, other

World exports in 2024
$510M
−0.4% vs 2023, imports $488M
2019 to 2024
Top exporters
  1. China26.6%
  2. Japan16.6%
  3. India * partner reported12.4%
Top importers
  1. United States17.9%
  2. Germany11.6%
  3. South Korea7.4%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for N,N'-Di-p-tolylbenzidine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about N,N'-Di-p-tolylbenzidine, based on the data on this page

What is N,N'-Di-p-tolylbenzidine?

N,N'-Di-p-tolylbenzidine is a chemical substance with the molecular formula C26H24N2 and a molar mass of 364.49 g/mol. Its CAS registry number is 10311-61-2. The IUPAC name is 4-methyl-N-[4-[4-(4-methylanilino)phenyl]phenyl]aniline.

What is the CAS number of N,N'-Di-p-tolylbenzidine?

The CAS registry number of N,N'-Di-p-tolylbenzidine is 10311-61-2.

What is the molecular formula and weight of N,N'-Di-p-tolylbenzidine?

The molecular formula of N,N'-Di-p-tolylbenzidine is C26H24N2 and its molar mass is 364.49 g/mol.

What is N,N'-Di-p-tolylbenzidine used for?

Known uses and roles of N,N'-Di-p-tolylbenzidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is N,N'-Di-p-tolylbenzidine hazardous?

No GHS hazard classification for N,N'-Di-p-tolylbenzidine is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of N,N'-Di-p-tolylbenzidine?

N,N'-Di-p-tolylbenzidine is usually classified under HS code 292159 (Aromatic polyamines and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy N,N'-Di-p-tolylbenzidine?

Post a free request on CompoundList and suppliers of N,N'-Di-p-tolylbenzidine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of N,N'-Di-p-tolylbenzidine?

Suppliers quote N,N'-Di-p-tolylbenzidine on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle N,N'-Di-p-tolylbenzidine

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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