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Screening compounds

N,N'-Bis(4-bromophenyl)benzidine

Also known as N,N-Bis(4-bromophenyl)benzidine, 4-[4-(4-bromoanilino)phenyl]-N-(4-bromophenyl)aniline, N4,n4'-bis(4-bromophenyl)-[1,1'-biphenyl]-4,4'-diamine

CAS 585570-08-7Formula C24H18Br2N2Molar mass 494.23 g/molEC 622-680-3
GHS signal word: Warning. Pictograms: Harmful or irritant
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N,N'-Bis(4-bromophenyl)benzidine chemical structure, C24H18Br2N2, CAS 585570-08-7
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
585570-08-7
Formula
C24H18Br2N2
Molar mass
494.23 g/mol
EC number
622-680-3
HS code
292159
Category
Screening compounds

What is N,N'-Bis(4-bromophenyl)benzidine?

Plain description, key identifiers and synonyms

N,N'-Bis(4-bromophenyl)benzidine is a chemical substance with the molecular formula C24H18Br2N2 and a molar mass of 494.23 g/mol. Its CAS registry number is 585570-08-7. The IUPAC name is 4-[4-(4-bromoanilino)phenyl]-N-(4-bromophenyl)aniline.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-[4-(4-bromoanilino)phenyl]-N-(4-bromophenyl)aniline
CAS number
585570-08-7 CAS number cross-checked
EC number
622-680-3
Molecular formula
C24H18Br2N2
InChIKey
DXTBWEYORVJILO-UHFFFAOYSA-N
InChI
InChI=1S/C24H18Br2N2/c25-19-5-13-23(14-6-19)27-21-9-1-17(2-10-21)18-3-11-22(12-4-18)28-24-15-7-20(26)8-16-24/h1-16,27-28H
SMILES (canonical and isomeric)
C1=CC(=CC=C1C2=CC=C(C=C2)NC3=CC=C(C=C3)Br)NC4=CC=C(C=C4)Br

Synonyms

  • N,N-Bis(4-bromophenyl)benzidine
  • 4-[4-(4-bromoanilino)phenyl]-N-(4-bromophenyl)aniline
  • N4,n4'-bis(4-bromophenyl)-[1,1'-biphenyl]-4,4'-diamine
  • N,N-Bis(4-bromophenyl)benzidine, 585570-08-7, 665703_ALDRICH, CTK5A8509, AG-G-07304, N,N inverted exclamation marka-Bis(4-bromophenyl)benzidine
  • N,N'-Bis(4-bromophenyl)benzidine, 97%
  • N~4~,N~4'~-Bis(4-bromophenyl)[1,1'-biphenyl]-4,4'-diamine

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
494.23 g/molcalc.
Exact mass
491.9837 Dacalc.
LogP (octanol/water)
8.37calc.
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
0calc.
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

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P270Do not eat, drink or smoke when using this product.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

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

Full safety data and first aid

N,N'-Bis(4-bromophenyl)benzidine suppliers

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N,N'-Bis(4-bromophenyl)benzidine 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'-Bis(4-bromophenyl)benzidine 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'-Bis(4-bromophenyl)benzidine 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'-Bis(4-bromophenyl)benzidine, based on the data on this page

What is N,N'-Bis(4-bromophenyl)benzidine?

N,N'-Bis(4-bromophenyl)benzidine is a chemical substance with the molecular formula C24H18Br2N2 and a molar mass of 494.23 g/mol. Its CAS registry number is 585570-08-7. The IUPAC name is 4-[4-(4-bromoanilino)phenyl]-N-(4-bromophenyl)aniline.

What is the CAS number of N,N'-Bis(4-bromophenyl)benzidine?

The CAS registry number of N,N'-Bis(4-bromophenyl)benzidine is 585570-08-7.

What is the molecular formula and weight of N,N'-Bis(4-bromophenyl)benzidine?

The molecular formula of N,N'-Bis(4-bromophenyl)benzidine is C24H18Br2N2 and its molar mass is 494.23 g/mol.

What is N,N'-Bis(4-bromophenyl)benzidine used for?

Known uses and roles of N,N'-Bis(4-bromophenyl)benzidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is N,N'-Bis(4-bromophenyl)benzidine hazardous?

N,N'-Bis(4-bromophenyl)benzidine carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of N,N'-Bis(4-bromophenyl)benzidine?

N,N'-Bis(4-bromophenyl)benzidine 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'-Bis(4-bromophenyl)benzidine?

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What is the price of N,N'-Bis(4-bromophenyl)benzidine?

Suppliers quote N,N'-Bis(4-bromophenyl)benzidine 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'-Bis(4-bromophenyl)benzidine

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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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