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Aromatic building blocks

1,1'-Binaphthyl

Also known as 1,1'-Binaphthalene, Di-alpha-naphthol, 1-(naphthalen-1-yl)naphthalene

CAS 604-53-5Formula C20H14Molar mass 254.33 g/molEC 210-070-6
GHS signal word: Warning. Pictograms: Harmful or irritant 14 suppliers listed
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1,1'-Binaphthyl chemical structure, C20H14, CAS 604-53-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
604-53-5
Formula
C20H14
Molar mass
254.33 g/mol
EC number
210-070-6
HS code
290290
Category
Aromatic building blocks

What is 1,1'-Binaphthyl?

Plain description, key identifiers and synonyms

1,1'-Binaphthyl is a chemical substance with the molecular formula C20H14 and a molar mass of 254.33 g/mol. Its CAS registry number is 604-53-5. The IUPAC name is 1-naphthalen-1-ylnaphthalene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-naphthalen-1-ylnaphthalene
CAS number
604-53-5 CAS number cross-checkedOther or deprecated CAS: 11068-27-2
EC number
210-070-6
Molecular formula
C20H14
UNII
T87T28S609
MDL number
MFCD00041740
InChIKey
ZDZHCHYQNPQSGG-UHFFFAOYSA-N
InChI
InChI=1S/C20H14/c1-3-11-17-15(7-1)9-5-13-19(17)20-14-6-10-16-8-2-4-12-18(16)20/h1-14H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C=CC=C2C3=CC=CC4=CC=CC=C43

Synonyms

  • 1,1'-Binaphthalene
  • Di-alpha-naphthol
  • 1-(naphthalen-1-yl)naphthalene
  • binaphthyl
  • Binaphthalene
  • 1,1'-Dinaphthyl
  • 1-naphthalen-1-ylnaphthalene
  • 1,1'-Binaphtyl
  • 1-(1-naphthyl)naphthalene
  • alpha,alpha'-Dinaphthylene
  • 1,1-binaphthyl
  • naphthylnaphthalene
  • 1,1/'-Binaphthyl
  • 1,1\'-Binaphthalene
  • 1,1Pr-binaphthyl
  • 1-naphthalen-1-ylnaphthalin
  • (+/-)-Binaphthyl
  • 1,1'-Binaphthyl, 98%
  • I+/-,.I+/-'-binaphthyl
  • (A+/-)-1,1a(2)-Binaphthyl
  • alpha,.alpha.'-binaphthyl

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
254.33 g/molcalc.
Exact mass
254.1096 Dacalc.
LogP (octanol/water)
5.66calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
20calc.
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, c1ccc2c(-c3cccc4ccccc34)cccc2c1

c1ccc2c(-c3cccc4ccccc34)cccc2c1

4 rings, 20 atoms. This chemical is the scaffold itself.

259 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

  • H302Harmful if swallowed.
  • H319Causes serious eye irritation.
  • H413May cause long lasting harmful effects to aquatic life.
Precautionary statements (10)
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P330Rinse mouth.
  • P337 + P317If eye irritation persists: Get medical help.
  • 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

1,1'-Binaphthyl suppliers

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

All 14 suppliers
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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

14 suppliers in 4 countries

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1,1'-Binaphthyl price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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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

United States

  • TSCA inventory (USA)
    Status: Inactive in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code 1,1'-Binaphthyl is traded under.

HS 2902.90Indicative HS code

Cyclic hydrocarbons, other

World exports in 2024
$612M
−6.1% vs 2023, imports $670M
2019 to 2024
Top exporters
  1. China28.0%
  2. Germany13.9%
  3. India * partner reported12.6%
Top importers
  1. Germany11.1%
  2. United States10.6%
  3. South Korea8.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 1,1'-Binaphthyl?

1,1'-Binaphthyl is a chemical substance with the molecular formula C20H14 and a molar mass of 254.33 g/mol. Its CAS registry number is 604-53-5. The IUPAC name is 1-naphthalen-1-ylnaphthalene.

What is the CAS number of 1,1'-Binaphthyl?

The CAS registry number of 1,1'-Binaphthyl is 604-53-5. Other or deprecated CAS numbers: 11068-27-2.

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

The molecular formula of 1,1'-Binaphthyl is C20H14 and its molar mass is 254.33 g/mol.

What is 1,1'-Binaphthyl used for?

Known uses and roles of 1,1'-Binaphthyl include building blocks in research and laboratory.

Is 1,1'-Binaphthyl hazardous?

1,1'-Binaphthyl carries the GHS signal word "Warning". Main hazards: harmful if swallowed, causes serious eye irritation, may cause long lasting harmful effects to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 1,1'-Binaphthyl?

1,1'-Binaphthyl is usually classified under HS code 290290 (Cyclic hydrocarbons, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 1,1'-Binaphthyl?

CompoundList lists 14 suppliers of 1,1'-Binaphthyl in China, United States, Canada and Lithuania. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 1,1'-Binaphthyl?

Suppliers quote 1,1'-Binaphthyl 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 1,1'-Binaphthyl

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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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