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Aromatic building blocks

beta,beta'-Dinaphthylamine

Also known as 2,2'-Dinaphthylamine, Di-2-naphthylamine, di-beta-Naphthylamine

CAS 532-18-3Formula C20H15NMolar mass 269.35 g/molEC 208-529-0
GHS signal word: Warning. Pictograms: Harmful or irritant, Hazardous to the environment 1 supplier listed
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beta,beta'-Dinaphthylamine chemical structure, C20H15N, CAS 532-18-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
532-18-3
Formula
C20H15N
Molar mass
269.35 g/mol
EC number
208-529-0
HS code
292144
Category
Aromatic building blocks

What is beta,beta'-Dinaphthylamine?

Plain description, key identifiers and synonyms

beta,beta'-Dinaphthylamine is a chemical substance with the molecular formula C20H15N and a molar mass of 269.35 g/mol. Its CAS registry number is 532-18-3. The IUPAC name is N-naphthalen-2-ylnaphthalen-2-amine.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
N-naphthalen-2-ylnaphthalen-2-amine
CAS number
532-18-3 CAS number cross-checked
EC number
208-529-0
Molecular formula
C20H15N
UNII
THM51FIW83
MDL number
MFCD03093264
InChIKey
SBMXAWJSNIAHFR-UHFFFAOYSA-N
InChI
InChI=1S/C20H15N/c1-3-7-17-13-19(11-9-15(17)5-1)21-20-12-10-16-6-2-4-8-18(16)14-20/h1-14,21H
SMILES (canonical and isomeric)
C1=CC=C2C=C(C=CC2=C1)NC3=CC4=CC=CC=C4C=C3

Synonyms

  • 2,2'-Dinaphthylamine
  • Di-2-naphthylamine
  • di-beta-Naphthylamine
  • N-2-Naphthalenyl-2-naphthalenamine
  • N,N-Bis(2-naphthyl)amine
  • n,n-di(2-naphthyl)amine
  • beta,.beta.'-dinaphthylamine
  • Di-naphthalen-2-yl-amine
  • Di(naphthalen-2-yl)amine
  • 2,2-Dinaphthylamine
  • N-naphthalen-2-ylnaphthalen-2-amine
  • N-(naphthalen-2-yl)naphthalen-2-amine
  • N-(2-naphthyl)-2-naphthalenamine
  • beta,beta-Dinaphthylamine
  • 2-Naphthalenamine, N-2-naphthalenyl-
  • dinaphthalen-2-ylamine
  • n-(2-naphthyl)naphthalen-2-amine
  • Di-2-naphthylamin
  • 2,2\'-Dinaphthylamine
  • N,N-Dinaphthol-yl-amine
  • 2,2'-Iminodinaphthalene
  • 2,2'-Dinaphthylamine, 95%

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(Nc3ccc4ccccc4c3)ccc2c1

c1ccc2cc(Nc3ccc4ccccc4c3)ccc2c1

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

5 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
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H302Harmful if swallowed.
  • H317May cause an allergic skin reaction.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (14)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P270Do not eat, drink or smoke when using this product.
  • P272Contaminated work clothing should not be allowed out of the workplace.
  • P273Avoid release to the environment.
  • 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.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P333 + P317If skin irritation or rash occurs: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P391Collect spillage.
  • 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

beta,beta'-Dinaphthylamine suppliers

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Where suppliers are based

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

Frequently asked questions

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

What is beta,beta'-Dinaphthylamine?

beta,beta'-Dinaphthylamine is a chemical substance with the molecular formula C20H15N and a molar mass of 269.35 g/mol. Its CAS registry number is 532-18-3. The IUPAC name is N-naphthalen-2-ylnaphthalen-2-amine.

What is the CAS number of beta,beta'-Dinaphthylamine?

The CAS registry number of beta,beta'-Dinaphthylamine is 532-18-3.

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

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

What is beta,beta'-Dinaphthylamine used for?

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

Is beta,beta'-Dinaphthylamine hazardous?

beta,beta'-Dinaphthylamine carries the GHS signal word "Warning". Main hazards: harmful if swallowed, may cause an allergic skin reaction, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of beta,beta'-Dinaphthylamine?

beta,beta'-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 beta,beta'-Dinaphthylamine?

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

What is the price of beta,beta'-Dinaphthylamine?

Suppliers quote beta,beta'-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 beta,beta'-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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