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Aromatic building blocks

Acetylbenzidine

Also known as N-Acetylbenzidine, 4-Acetamido-4'-aminobiphenyl, 4-Acetylamino-4'-aminobiphenyl

CAS 3366-61-8Formula C14H14N2OMolar mass 226.28 g/molEC 878-707-6
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard 4 suppliers listed
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Acetylbenzidine chemical structure, C14H14N2O, CAS 3366-61-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3366-61-8
Formula
C14H14N2O
Molar mass
226.28 g/mol
EC number
878-707-6
HS code
292429
Category
Aromatic building blocks

What is Acetylbenzidine?

Plain description, key identifiers and synonyms

Acetylbenzidine is a chemical substance with the molecular formula C14H14N2O and a molar mass of 226.28 g/mol. Its CAS registry number is 3366-61-8. The IUPAC name is N-[4-(4-aminophenyl)phenyl]acetamide.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-[4-(4-aminophenyl)phenyl]acetamide
CAS number
3366-61-8 CAS number cross-checked
EC number
878-707-6
Molecular formula
C14H14N2O
UNII
Q1I4IM38KC
MDL number
MFCD00047857
InChIKey
DZQXBXZZSKPMDV-UHFFFAOYSA-N
InChI
InChI=1S/C14H14N2O/c1-10(17)16-14-8-4-12(5-9-14)11-2-6-13(15)7-3-11/h2-9H,15H2,1H3,(H,16,17)
SMILES (canonical and isomeric)
CC(=O)NC1=CC=C(C=C1)C2=CC=C(C=C2)N

Synonyms

  • N-Acetylbenzidine
  • 4-Acetamido-4'-aminobiphenyl
  • 4-Acetylamino-4'-aminobiphenyl
  • ACETANILIDE, 4'-(p-AMINOPHENYL)-
  • (1,1'-Biphenyl)-4,4'-diamine, N-acetyl-
  • Acetamide, N-(4'-amino(1,1'-biphenyl)-4-yl)-
  • Acetamide, N-(4'-amino[1,1'-biphenyl]-4-yl)-
  • Monoacetylbenzidine
  • N-[4-(4-aminophenyl)phenyl]acetamide
  • Benzidine, N-acetyl-
  • N-Acetylbenzidin
  • N-(4'-Amino-[1,1'-biphenyl]-4-yl)acetamide
  • N-(4'-Aminobiphenyl-4-yl)acetamide
  • N-{4'-amino-[1,1'-biphenyl]-4-yl}acetamide
  • 4'-Acetamidobenzidine
  • 4'-(p-Aminophenyl)acetanilide
  • N-(4'-Amino-biphenyl-4-yl)-acetamide
  • 3-13-00-00437 (Beilstein Handbook Reference)
  • [1,4'-diamine, N-acetyl-
  • Acetanilide, p-(P-aminophenyl)-
  • N-(4'-Amino[1,1'-biphenyl]-4-yl)acetamide

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
226.28 g/molcalc.
Exact mass
226.1106 Dacalc.
LogP (octanol/water)
2.89calc.
Topological polar surface area
55.12 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
17calc.
Rings
2calc.
Aromatic rings
2calc.
Fraction sp3 carbons
0.07calc.
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
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302 + H312 + H332Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled.
  • H341Suspected of causing genetic defects.
  • H351Suspected of causing cancer.
Precautionary statements (16)
  • P203Obtain, read and follow all safety instructions before use.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • 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.
  • P317Get medical help.
  • P318If exposed or concerned, get medical advice.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • 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

Acetylbenzidine 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 4 countries

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Acetylbenzidine price

Indicative price range per kg from live supplier offers

No published prices right now

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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 Acetylbenzidine is traded under.

HS 2924.29Indicative HS code

Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other

World exports in 2024
$5.69B
−5.1% vs 2023, imports $5.8B
2019 to 2024
Top exporters
  1. China32.3%
  2. Switzerland * partner reported13.6%
  3. Norway * partner reported12.8%
Top importers
  1. United States15.9%
  2. Ireland15.8%
  3. Germany11.9%

* Partner reported figures, a lower bound.

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

The HS code shown for Acetylbenzidine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Acetylbenzidine, based on the data on this page

What is Acetylbenzidine?

Acetylbenzidine is a chemical substance with the molecular formula C14H14N2O and a molar mass of 226.28 g/mol. Its CAS registry number is 3366-61-8. The IUPAC name is N-[4-(4-aminophenyl)phenyl]acetamide.

What is the CAS number of Acetylbenzidine?

The CAS registry number of Acetylbenzidine is 3366-61-8.

What is the molecular formula and weight of Acetylbenzidine?

The molecular formula of Acetylbenzidine is C14H14N2O and its molar mass is 226.28 g/mol.

What is Acetylbenzidine used for?

Known uses and roles of Acetylbenzidine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is Acetylbenzidine hazardous?

Acetylbenzidine carries the GHS signal word "Warning". Main hazards: harmful if swallowed. harmful in contact with skin. harmful if inhaled, suspected of causing genetic defects, suspected of causing cancer. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Acetylbenzidine?

Acetylbenzidine is usually classified under HS code 292429 (Cyclic amides (including cyclic carbamates) and their derivatives, salts thereof, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Acetylbenzidine?

CompoundList lists 4 suppliers of Acetylbenzidine in Canada, China, Hong Kong and Singapore. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Acetylbenzidine?

Suppliers quote Acetylbenzidine 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 Acetylbenzidine

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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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