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Aromatic building blocks

3,3'-Dinitrobenzidine

Also known as 3,3'-dinitro-[1,1'-biphenyl]-4,4'-diamine, Benzidine, 3,3'-dinitro-, (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dinitro-

CAS 6271-79-0Formula C12H10N4O4Molar mass 274.24 g/molEC 228-457-3
GHS signal word: Warning. Pictograms: Harmful or irritant 4 suppliers listed
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3,3'-Dinitrobenzidine chemical structure, C12H10N4O4, CAS 6271-79-0
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
6271-79-0
Formula
C12H10N4O4
Molar mass
274.24 g/mol
EC number
228-457-3
HS code
292159
Category
Aromatic building blocks

What is 3,3'-Dinitrobenzidine?

Plain description, key identifiers and synonyms

3,3'-Dinitrobenzidine is a chemical substance with the molecular formula C12H10N4O4 and a molar mass of 274.24 g/mol. Its CAS registry number is 6271-79-0. The IUPAC name is 4-(4-amino-3-nitrophenyl)-2-nitroaniline.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-(4-amino-3-nitrophenyl)-2-nitroaniline
CAS number
6271-79-0 CAS number cross-checked
EC number
228-457-3
Molecular formula
C12H10N4O4
UNII
7M226SQ8G9
MDL number
MFCD00024264
InChIKey
OCEINMLGYDSKFW-UHFFFAOYSA-N
InChI
InChI=1S/C12H10N4O4/c13-9-3-1-7(5-11(9)15(17)18)8-2-4-10(14)12(6-8)16(19)20/h1-6H,13-14H2
SMILES (canonical and isomeric)
C1=CC(=C(C=C1C2=CC(=C(C=C2)N)[N+](=O)[O-])[N+](=O)[O-])N

Synonyms

  • 3,3'-dinitro-[1,1'-biphenyl]-4,4'-diamine
  • Benzidine, 3,3'-dinitro-
  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dinitro-
  • [1,1'-Biphenyl]-4,4'-diamine, 3,3'-dinitro-
  • 3,3'-Dinitro-(1,1'-biphenyl)-4,4'-diamine
  • 3,3'-Dinitro(1,1'-biphenyl)-4,4'-diamine
  • 3,3'-Dinitro[1,1'-biphenyl]-4,4'-diamine
  • 3,3'-Dinitro-1,1'-biphenyl-4,4'-diamine
  • (1,1'-Biphenyl)-4,4'-diamine, 3,3'-dinitro-(9CI)
  • 3,3'-dinitrobiphenyl-4,4'-diamine
  • 3,3-Dinitrobenzidine
  • 4-(4-amino-3-nitrophenyl)-2-nitroaniline
  • 33'-Dinitrobenzidine
  • 3,3'-dinitro-4,4'-diaminobiphenyl
  • 4-(4-amino-3-nitro-phenyl)-2-nitro-aniline
  • 4-(4-amino-3-nitrophenyl)-2-nitrophenylamine
  • [1,1'-Biphenyl]-4,4'-diamine,3,3'-dinitro-
  • 3,5'-dinitrobenzidine
  • 3.3'-Dinitrobenzidin
  • 3,3 inverted exclamation mark -Dinitrobenzidine
  • 4,4'-Diamino-3,3'-din
  • Oceinmlgydskfw-uhfffaoysa-
  • 4,4'-Diamino-3,3'-dinitrobiphenyl
  • 3,3'-Dinitro[1,1'-biphenyl]-4,4'-diamine #
  • 3,3 inverted exclamation mark -Dinitro-[1,1 inverted exclamation mark -Biphenyl]-4,4 inverted exclamation mark -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

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

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • 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.

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

3,3'-Dinitrobenzidine suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 4 suppliers
4 of 4 offers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

4 suppliers in 3 countries

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3,3'-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 3,3'-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 3,3'-Dinitrobenzidine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3,3'-Dinitrobenzidine, based on the data on this page

What is 3,3'-Dinitrobenzidine?

3,3'-Dinitrobenzidine is a chemical substance with the molecular formula C12H10N4O4 and a molar mass of 274.24 g/mol. Its CAS registry number is 6271-79-0. The IUPAC name is 4-(4-amino-3-nitrophenyl)-2-nitroaniline.

What is the CAS number of 3,3'-Dinitrobenzidine?

The CAS registry number of 3,3'-Dinitrobenzidine is 6271-79-0.

What is the molecular formula and weight of 3,3'-Dinitrobenzidine?

The molecular formula of 3,3'-Dinitrobenzidine is C12H10N4O4 and its molar mass is 274.24 g/mol.

What is 3,3'-Dinitrobenzidine used for?

Known uses and roles of 3,3'-Dinitrobenzidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 3,3'-Dinitrobenzidine hazardous?

3,3'-Dinitrobenzidine carries the GHS signal word "Warning". Main hazards: 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 3,3'-Dinitrobenzidine?

3,3'-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 3,3'-Dinitrobenzidine?

CompoundList lists 4 suppliers of 3,3'-Dinitrobenzidine in United States, China and Hong Kong. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 3,3'-Dinitrobenzidine?

Suppliers quote 3,3'-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 3,3'-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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