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Aromatic building blocks

Binol

Also known as 1,1'-Bi-2-naphthol, [1,1'-Binaphthalene]-2,2'-diol, beta-Binaphthol

CAS 602-09-5Formula C20H14O2Molar mass 286.33 g/molEC 210-014-0
GHS signal word: Danger. Pictograms: Acute toxicity (severe), Harmful or irritant 60 suppliers listed
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Binol chemical structure, C20H14O2, CAS 602-09-5
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
602-09-5
Formula
C20H14O2
Molar mass
286.33 g/mol
EC number
210-014-0
HS code
290729
Category
Aromatic building blocks

What is Binol?

Plain description, key identifiers and synonyms

(S)-(-)-1,1'-Bi-2-naphthol is a member of naphthols.

Binol is an organic compound that is often used as a ligand for transition-metal catalysed asymmetric synthesis.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol
CAS number
602-09-5 CAS number cross-checkedOther or deprecated CAS: 18531-94-7, 18531-99-2
EC numbers
210-014-0, 606-048-4, 606-050-5
Molecular formula
C20H14O2
UNII
25AB254328, 54OT5RRV4C, M6IDZ128WT
MDL number
MFCD00004068
InChIKey
PPTXVXKCQZKFBN-UHFFFAOYSA-N
InChI
InChI=1S/C20H14O2/c21-17-11-9-13-5-1-3-7-15(13)19(17)20-16-8-4-2-6-14(16)10-12-18(20)22/h1-12,21-22H
SMILES (canonical and isomeric)
C1=CC=C2C(=C1)C=CC(=C2C3=C(C=CC4=CC=CC=C43)O)O

Synonyms

  • 1,1'-Bi-2-naphthol
  • [1,1'-Binaphthalene]-2,2'-diol
  • beta-Binaphthol
  • 1,1'-Binaphthyl-2,2'-diol
  • Bis-beta-naphthol
  • alpha-Binaphthyl-2,2'-diol
  • (1,1'-Binaphthalene)-2,2'-diol
  • (S)-(-)-1,1'-Bi-2-naphthol
  • (R)-(+)-1,1'-Bi-2-naphthol
  • (R)-[1,1'-Binaphthalene]-2,2'-diol
  • (S)-BINOL
  • (S)-[1,1'-binaphthalene]-2,2'-diol
  • r-(+)-1,1'-bi-2-naphthol
  • (R)-BINOL
  • (R)-1,1'-Bi-2-naphthol
  • 1-(2-hydroxynaphthalen-1-yl)naphthalen-2-ol
  • (R)-Binaphthol
  • (S)-Binaphthol
  • 2,2'-Dihydroxy-1,1'-dinaphthyl
  • 2,2'-Dinaphthol
  • (R)-(+)-BINOL
  • s-(-)-1,1'-bi-2-naphthol
  • (-)-Binol
  • 2,2'-Dihydroxy-1,1'-binaphthyl
  • (1S)-[1,1'-binaphthalene]-2,2'-diol
Show all 38 synonyms
  • (S)-(-)-BINOL
  • 1,1'-Bis-2-naphthol
  • 2,2'-Dihydroxydinaphthyl
  • Binol, (+)-
  • 2,2'-Dihydroxybinaphthalene
  • (R)-Bi-2-naphthol
  • (s)-1,1'-bi-2-naphthol
  • (+)-Bi-2-naphthol
  • (+)-1,1'-Bis(2-naphthol)
  • (-)-1,1'-Bis(2-naphthol)
  • Binol, (-)-
  • (r)-(+)-1,1-bi-2-naphthol
  • (+)-2,2'-Binaphthol

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
286.33 g/molcalc.
Exact mass
286.0994 Dacalc.
LogP (octanol/water)
5.07calc.
Topological polar surface area
40.46 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
1calc.
Heavy atoms
22calc.
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, the 1,1'-Binaphthyl ring system.

259 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H301Toxic if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (19)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Binol suppliers

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

All 60 suppliers
30 of 30 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

60 suppliers in 9 countries

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Binol 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

United States

  • TSCA inventory (USA)
    Status: Active 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 Binol is traded under.

HS 2907.29Indicative HS code

Polyphenols, phenol-alcohols, other

World exports in 2024
$535M
−27.0% vs 2023, imports $565M
2019 to 2024
Top exporters
  1. India * partner reported17.7%
  2. Germany16.5%
  3. Japan15.8%
Top importers
  1. United States13.1%
  2. Japan8.0%
  3. Belgium7.9%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Binol?

(S)-(-)-1,1'-Bi-2-naphthol is a member of naphthols.

What is the CAS number of Binol?

The CAS registry number of Binol is 602-09-5. Other or deprecated CAS numbers: 18531-94-7, 18531-99-2.

What is the molecular formula and weight of Binol?

The molecular formula of Binol is C20H14O2 and its molar mass is 286.33 g/mol.

What is Binol used for?

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

Is Binol hazardous?

Binol carries the GHS signal word "Danger". Main hazards: toxic if swallowed, 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 Binol?

Binol is usually classified under HS code 290729 (Polyphenols, phenol-alcohols, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Binol?

CompoundList lists 60 suppliers of Binol in China, United States, India, United Kingdom and 5 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Binol in India?

3 suppliers in India list Binol on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Binol?

Suppliers quote Binol 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 Binol

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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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