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Aromatic building blocks

1,2'-Dinaphthylamine

Also known as N-(Naphthalen-2-yl)naphthalen-1-amine, 1,2-Dinaphthylamine, N-naphthalen-1-ylnaphthalen-2-amine

CAS 4669-06-1Formula C20H15NMolar mass 269.35 g/molEC 680-146-5
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 1 supplier listed
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1,2'-Dinaphthylamine chemical structure, C20H15N, CAS 4669-06-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
4669-06-1
Formula
C20H15N
Molar mass
269.35 g/mol
EC number
680-146-5
HS code
292144
Category
Aromatic building blocks

What is 1,2'-Dinaphthylamine?

Plain description, key identifiers and synonyms

1,2'-Dinaphthylamine is a chemical substance with the molecular formula C20H15N and a molar mass of 269.35 g/mol. Its CAS registry number is 4669-06-1. The IUPAC name is N-naphthalen-1-ylnaphthalen-2-amine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-naphthalen-1-ylnaphthalen-2-amine
CAS number
4669-06-1 CAS number cross-checked
EC number
680-146-5
Molecular formula
C20H15N
MDL number
MFCD01632468
InChIKey
UNJZLNFHHINVOB-UHFFFAOYSA-N
InChI
InChI=1S/C20H15N/c1-2-8-17-14-18(13-12-15(17)6-1)21-20-11-5-9-16-7-3-4-10-19(16)20/h1-14,21H
SMILES (canonical and isomeric)
C1=CC=C2C=C(C=CC2=C1)NC3=CC=CC4=CC=CC=C43

Synonyms

  • N-(Naphthalen-2-yl)naphthalen-1-amine
  • 1,2-Dinaphthylamine
  • N-naphthalen-1-ylnaphthalen-2-amine
  • 1,2'-Iminodinaphthalene
  • 1,2'-Dinaphthylamine (purified by sublimation)
  • N-(2-Naphthyl)-1-naphthylamine, 95%
  • 1,2 inverted exclamation mark -Dinaphthylamine
  • N-2-Naphthyl-1-naphthylamine
  • N-(1-naphthyl)naphthalen-2-amine
  • 1,2''-Dinaphthylamine
  • N-(2-Naphthyl)-1-napht
  • 1-Naphthylamine, N-2-naphthyl-
  • N-(2-Naphthyl)-1-naphthylamine
  • 1-Naphthalenamine, N-2-naphthalenyl-

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
269.35 g/molcalc.
Exact mass
269.1204 Dacalc.
LogP (octanol/water)
5.74calc.
Topological polar surface area
12.03 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
21calc.
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, c1ccc2cc(Nc3cccc4ccccc34)ccc2c1

c1ccc2cc(Nc3cccc4ccccc34)ccc2c1

4 rings, 21 atoms. This chemical is the scaffold itself.

1 other chemical share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H302Harmful if swallowed.
  • H318Causes serious eye damage.
Precautionary statements (9)
  • 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.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P330Rinse mouth.
  • 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

1,2'-Dinaphthylamine suppliers

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Where suppliers are based

1 supplier in 1 country

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1,2'-Dinaphthylamine 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 1,2'-Dinaphthylamine is traded under.

HS 2921.44Indicative HS code

Diphenylamine and its derivatives, salts thereof

World exports in 2024
$244M
+24.4% vs 2023, imports $181M
2019 to 2024
Top exporters
  1. China59.8%
  2. United States28.3%
  3. Canada4.5%
Top importers
  1. South Korea23.2%
  2. Thailand17.4%
  3. Canada12.1%
Reported customs values in USD, not prices.Full trade data

The HS code shown for 1,2'-Dinaphthylamine is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 1,2'-Dinaphthylamine, based on the data on this page

What is 1,2'-Dinaphthylamine?

1,2'-Dinaphthylamine is a chemical substance with the molecular formula C20H15N and a molar mass of 269.35 g/mol. Its CAS registry number is 4669-06-1. The IUPAC name is N-naphthalen-1-ylnaphthalen-2-amine.

What is the CAS number of 1,2'-Dinaphthylamine?

The CAS registry number of 1,2'-Dinaphthylamine is 4669-06-1.

What is the molecular formula and weight of 1,2'-Dinaphthylamine?

The molecular formula of 1,2'-Dinaphthylamine is C20H15N and its molar mass is 269.35 g/mol.

What is 1,2'-Dinaphthylamine used for?

Known uses and roles of 1,2'-Dinaphthylamine include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 1,2'-Dinaphthylamine hazardous?

1,2'-Dinaphthylamine carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 1,2'-Dinaphthylamine?

1,2'-Dinaphthylamine is usually classified under HS code 292144 (Diphenylamine and its derivatives, salts thereof). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 1,2'-Dinaphthylamine?

CompoundList lists 1 supplier of 1,2'-Dinaphthylamine in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 1,2'-Dinaphthylamine?

Suppliers quote 1,2'-Dinaphthylamine 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 1,2'-Dinaphthylamine

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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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