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Aromatic building blocks

2,2'-Dinitrobenzidine

Also known as 4-(4-amino-2-nitrophenyl)-3-nitroaniline, 2,2'-Dinitro-4,4'-biphenyldiamine, 2,2'-Dinitro-[1,1'-biphenyl]-4,4'-diamine

CAS 5855-71-0Formula C12H10N4O4Molar mass 274.24 g/mol
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2,2'-Dinitrobenzidine chemical structure, C12H10N4O4, CAS 5855-71-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
5855-71-0
Formula
C12H10N4O4
Molar mass
274.24 g/mol
HS code
292159
Category
Aromatic building blocks

What is 2,2'-Dinitrobenzidine?

Plain description, key identifiers and synonyms

2,2'-Dinitrobenzidine is a chemical substance with the molecular formula C12H10N4O4 and a molar mass of 274.24 g/mol. Its CAS registry number is 5855-71-0. The IUPAC name is 4-(4-amino-2-nitrophenyl)-3-nitroaniline.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(4-amino-2-nitrophenyl)-3-nitroaniline
CAS number
5855-71-0 CAS number cross-checked
Molecular formula
C12H10N4O4
MDL number
MFCD02752221
InChIKey
FEJXQZAKAOGYBC-UHFFFAOYSA-N
InChI
InChI=1S/C12H10N4O4/c13-7-1-3-9(11(5-7)15(17)18)10-4-2-8(14)6-12(10)16(19)20/h1-6H,13-14H2
SMILES (canonical and isomeric)
C1=CC(=C(C=C1N)[N+](=O)[O-])C2=C(C=C(C=C2)N)[N+](=O)[O-]

Synonyms

  • 4-(4-amino-2-nitrophenyl)-3-nitroaniline
  • 2,2'-Dinitro-4,4'-biphenyldiamine
  • 2,2'-Dinitro-[1,1'-biphenyl]-4,4'-diamine
  • 2,2-Dinitrobenzidine
  • [1,1'-Biphenyl]-4,4'-diamine, 2,2'-dinitro-
  • 4,4'-Diamino-2,2'-dinitrobiphenyl
  • 2,2 inverted exclamation mark -Dinitrobenzidine
  • 2,2'-Dinitro[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
274.24 g/molcalc.
Exact mass
274.0702 Dacalc.
LogP (octanol/water)
2.33calc.
Topological polar surface area
138.3 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
3calc.
Heavy atoms
20calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)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(-c2ccccc2)cc1

c1ccc(-c2ccccc2)cc1

2 rings, 12 atoms, the Biphenyl ring system.

32,228 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.

2,2'-Dinitrobenzidine suppliers

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2,2'-Dinitrobenzidine price

Indicative price range per kg from live supplier offers

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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 2,2'-Dinitrobenzidine 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 2,2'-Dinitrobenzidine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2,2'-Dinitrobenzidine, based on the data on this page

What is 2,2'-Dinitrobenzidine?

2,2'-Dinitrobenzidine is a chemical substance with the molecular formula C12H10N4O4 and a molar mass of 274.24 g/mol. Its CAS registry number is 5855-71-0. The IUPAC name is 4-(4-amino-2-nitrophenyl)-3-nitroaniline.

What is the CAS number of 2,2'-Dinitrobenzidine?

The CAS registry number of 2,2'-Dinitrobenzidine is 5855-71-0.

What is the molecular formula and weight of 2,2'-Dinitrobenzidine?

The molecular formula of 2,2'-Dinitrobenzidine is C12H10N4O4 and its molar mass is 274.24 g/mol.

What is 2,2'-Dinitrobenzidine used for?

Known uses and roles of 2,2'-Dinitrobenzidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2,2'-Dinitrobenzidine hazardous?

No GHS hazard classification for 2,2'-Dinitrobenzidine 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 2,2'-Dinitrobenzidine?

2,2'-Dinitrobenzidine 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 2,2'-Dinitrobenzidine?

Post a free request on CompoundList and suppliers of 2,2'-Dinitrobenzidine will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 2,2'-Dinitrobenzidine?

Suppliers quote 2,2'-Dinitrobenzidine 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 2,2'-Dinitrobenzidine

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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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