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Polymers and thermoplastics

Polyoctamethylene oxide

Also known as Oxonane, Oxacyclononane, Oxonin, octahydro-

CAS 50862-53-8Formula C8H16OMolar mass 128.22 g/mol
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Polyoctamethylene oxide chemical structure, C8H16O, CAS 50862-53-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
50862-53-8
Formula
C8H16O
Molar mass
128.22 g/mol
HS code
293299
Category
Polymers and thermoplastics

What is Polyoctamethylene oxide?

Plain description, key identifiers and synonyms

Polyoctamethylene oxide is a chemical substance with the molecular formula C8H16O and a molar mass of 128.22 g/mol. Its CAS registry number is 50862-53-8. The IUPAC name is oxonane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
oxonane
CAS number
50862-53-8 CAS number cross-checked
Molecular formula
C8H16O
InChIKey
YVQBOKCDPCUWSP-UHFFFAOYSA-N
InChI
InChI=1S/C8H16O/c1-2-4-6-8-9-7-5-3-1/h1-8H2
SMILES (canonical and isomeric)
C1CCCCOCCC1

Synonyms

  • Oxonane
  • Oxacyclononane
  • Oxonin, octahydro-

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
128.22 g/molcalc.
Exact mass
128.1201 Dacalc.
LogP (octanol/water)
2.36calc.
Topological polar surface area
9.23 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)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, C1CCCCOCCC1

C1CCCCOCCC1

1 ring, 9 atoms. This chemical is the scaffold itself.

2 other chemicals share 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.

Polyoctamethylene oxide suppliers

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

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Polyoctamethylene oxide price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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 Polyoctamethylene oxide 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 Polyoctamethylene oxide is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Polyoctamethylene oxide, based on the data on this page

What is Polyoctamethylene oxide?

Polyoctamethylene oxide is a chemical substance with the molecular formula C8H16O and a molar mass of 128.22 g/mol. Its CAS registry number is 50862-53-8. The IUPAC name is oxonane.

What is the CAS number of Polyoctamethylene oxide?

The CAS registry number of Polyoctamethylene oxide is 50862-53-8.

What is the molecular formula and weight of Polyoctamethylene oxide?

The molecular formula of Polyoctamethylene oxide is C8H16O and its molar mass is 128.22 g/mol.

Is Polyoctamethylene oxide hazardous?

No GHS hazard classification for Polyoctamethylene oxide 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 Polyoctamethylene oxide?

Polyoctamethylene oxide 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 Polyoctamethylene oxide?

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

What is the price of Polyoctamethylene oxide?

Suppliers quote Polyoctamethylene oxide 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 Polyoctamethylene oxide

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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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