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Heterocyclic building blocks

Dinaphthylene dioxide

Also known as xantheno[2,1,9,8-klmna]xanthene, peri-Xanthenoxanthene, 12,22-dioxahexacyclo[11.7.1.14,20.02,11.03,8.017,21]docosa-1(20),2(11),3(8),4,6,9,13,15,17(21),18-decaene

CAS 191-28-6Formula C20H10O2Molar mass 282.30 g/mol
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Dinaphthylene dioxide chemical structure, C20H10O2, CAS 191-28-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
191-28-6
Formula
C20H10O2
Molar mass
282.30 g/mol
HS code
293299
Category
Heterocyclic building blocks

What is Dinaphthylene dioxide?

Plain description, key identifiers and synonyms

Dinaphthylene dioxide is a chemical substance with the molecular formula C20H10O2 and a molar mass of 282.30 g/mol. Its CAS registry number is 191-28-6. The IUPAC name is 12,22-dioxahexacyclo[11.7.1.14,20.02,11.03,8.017,21]docosa-1(20),2(11),3(8),4,6,9,13,15,17(21),18-decaene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
12,22-dioxahexacyclo[11.7.1.14,20.02,11.03,8.017,21]docosa-1(20),2(11),3(8),4,6,9,13,15,17(21),18-decaene
CAS number
191-28-6 CAS number cross-checked
Molecular formula
C20H10O2
UNII
72HE489YM9
MDL number
MFCD20526674
InChIKey
AMDQVKPUZIXQFC-UHFFFAOYSA-N
InChI
InChI=1S/C20H10O2/c1-3-11-7-9-16-19-17(11)13(5-1)21-15-10-8-12-4-2-6-14(22-16)18(12)20(15)19/h1-10H
SMILES (canonical and isomeric)
C1=CC2=C3C(=C1)OC4=C5C3=C(C=C2)OC6=CC=CC(=C65)C=C4

Synonyms

  • xantheno[2,1,9,8-klmna]xanthene
  • peri-Xanthenoxanthene
  • 12,22-dioxahexacyclo[11.7.1.14,20.02,11.03,8.017,21]docosa-1(20),2(11),3(8),4,6,9,13,15,17(21),18-decaene
  • Dinaphthalene dioxide
  • 6,12-Dioxaanthanthrene
  • Xantheno[2,1,9,8-klmna]xanthene Solution in Toluene, 1000ug/mL

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
282.30 g/molcalc.
Exact mass
282.0681 Dacalc.
LogP (octanol/water)
6.03calc.
Topological polar surface area
26.28 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
0calc.
Heavy atoms
22calc.
Rings
6calc.
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, c1cc2ccc3oc4cccc5ccc6oc(c1)c2c3-c6c54

c1cc2ccc3oc4cccc5ccc6oc(c1)c2c3-c6c54

6 rings, 22 atoms. This chemical is the scaffold itself.

No other chemical in our database has this scaffold.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Dinaphthylene dioxide suppliers

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Dinaphthylene dioxide 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 Dinaphthylene dioxide is traded under.

HS 2932.99Indicative HS code

Heterocyclic compounds with oxygen hetero-atom(s) only, other

World exports in 2024
$3.81B
+10.3% vs 2023, imports $7.05B
2019 to 2024
Top exporters
  1. China28.9%
  2. Switzerland * partner reported12.7%
  3. Germany7.8%
Top importers
  1. United States49.7%
  2. China11.9%
  3. India * partner reported3.3%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

Quick answers about Dinaphthylene dioxide, based on the data on this page

What is Dinaphthylene dioxide?

Dinaphthylene dioxide is a chemical substance with the molecular formula C20H10O2 and a molar mass of 282.30 g/mol. Its CAS registry number is 191-28-6. The IUPAC name is 12,22-dioxahexacyclo[11.7.1.14,20.02,11.03,8.017,21]docosa-1(20),2(11),3(8),4,6,9,13,15,17(21),18-decaene.

What is the CAS number of Dinaphthylene dioxide?

The CAS registry number of Dinaphthylene dioxide is 191-28-6.

What is the molecular formula and weight of Dinaphthylene dioxide?

The molecular formula of Dinaphthylene dioxide is C20H10O2 and its molar mass is 282.30 g/mol.

What is Dinaphthylene dioxide used for?

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

Is Dinaphthylene dioxide hazardous?

No GHS hazard classification for Dinaphthylene dioxide is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Dinaphthylene dioxide?

Dinaphthylene dioxide is usually classified under HS code 293299 (Heterocyclic compounds with oxygen hetero-atom(s) only, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Dinaphthylene dioxide?

Post a free request on CompoundList and suppliers of Dinaphthylene dioxide will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Dinaphthylene dioxide?

Suppliers quote Dinaphthylene dioxide 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 Dinaphthylene dioxide

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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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