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Ethers, epoxides and acetals

Indene oxide

Also known as 1,2-epoxyindan, 1,2-Epoxy-2,3-dihydroindene, 6,6a-Dihydro-1ah-indeno[1,2-b]oxirene

CAS 768-22-9Formula C9H8OMolar mass 132.16 g/molEC 985-490-2
GHS signal word: Warning. Pictograms: Harmful or irritant, Serious health hazard 1 supplier listed
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Indene oxide chemical structure, C9H8O, CAS 768-22-9
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
768-22-9
Formula
C9H8O
Molar mass
132.16 g/mol
EC number
985-490-2
HS code
291090
Category
Ethers, epoxides and acetals

What is Indene oxide?

Plain description, key identifiers and synonyms

Indene oxide is a chemical substance with the molecular formula C9H8O and a molar mass of 132.16 g/mol. Its CAS registry number is 768-22-9. The IUPAC name is 6,6a-dihydro-1aH-indeno[1,2-b]oxirene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
6,6a-dihydro-1aH-indeno[1,2-b]oxirene
CAS number
768-22-9 CAS number cross-checked
EC number
985-490-2
Molecular formula
C9H8O
UNII
080U5Q5IYI
MDL number
MFCD00046870
InChIKey
UKGCFMYYDATGNN-UHFFFAOYSA-N
InChI
InChI=1S/C9H8O/c1-2-4-7-6(3-1)5-8-9(7)10-8/h1-4,8-9H,5H2
SMILES (canonical and isomeric)
C1C2C(O2)C3=CC=CC=C31

Synonyms

  • 1,2-epoxyindan
  • 1,2-Epoxy-2,3-dihydroindene
  • 6,6a-Dihydro-1ah-indeno[1,2-b]oxirene
  • Indene epoxide
  • Indan, epoxide
  • Indene-1,2-oxide
  • Indan, 1,2-epoxy-
  • 6H-Indeno[1,2-b]oxirene,1a,6a-dihydro-
  • 1H-Indene, 1,2-epoxy-2,3-dihydro-
  • 6H-Indeno(1,2-b)oxirene, 1a,6a-dihydro-
  • 6H-Indeno[1,2-b]oxirene, 1a,6a-dihydro-
  • 1,2-epoxyindane
  • Indan,2-epoxy-
  • 2,3-epoxy-indane
  • 1aH,6H,6aH-indeno[1,2-b]oxirene
  • 6,6a-Dihydro-1aH-1-oxa-cyclopropa[a]indene
  • 6H-Indeno[1, 1a,6a-dihydro-
  • 1H-Indene,2-epoxy-2,3-dihydro-
  • 1,2-Epoxy-2,3-dihydro-1-H indene
  • 1a,6a-dihydro-6H-indeno [1,2-b] oxirene
  • 6,6a-Dihydro-1ah-indeno[1,2-b]oxirene #

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
132.16 g/molcalc.
Exact mass
132.0575 Dacalc.
LogP (octanol/water)
1.68calc.
Topological polar surface area
12.53 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
0calc.
Heavy atoms
10calc.
Rings
3calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.33calc.
Formal charge
0calc.
Stereocentres
2calc.
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, c1ccc2c(c1)CC1OC21

c1ccc2c(c1)CC1OC21

3 rings, 10 atoms. This chemical is the scaffold itself.

24 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
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H302Harmful if swallowed.
  • H312Harmful in contact with skin.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
  • H373May cause damage to organs through prolonged or repeated exposure.
Precautionary statements (21)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • 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 + P317If swallowed: Get medical help.
  • 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.
  • P317Get medical help.
  • 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

Indene oxide suppliers

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Where suppliers are based

1 supplier in 1 country

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Indene oxide 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 Indene oxide is traded under.

HS 2910.90Indicative HS code

Epoxides with a three-membered ring and their halogenated, sulphonated, nitrated or nitrosated derivatives…

World exports in 2024
$467M
−2.9% vs 2023, imports $501M
2019 to 2024
Top exporters
  1. Netherlands24.5%
  2. China19.7%
  3. Japan18.8%
Top importers
  1. United States17.6%
  2. Germany16.3%
  3. China10.8%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is Indene oxide?

Indene oxide is a chemical substance with the molecular formula C9H8O and a molar mass of 132.16 g/mol. Its CAS registry number is 768-22-9. The IUPAC name is 6,6a-dihydro-1aH-indeno[1,2-b]oxirene.

What is the CAS number of Indene oxide?

The CAS registry number of Indene oxide is 768-22-9.

What is the molecular formula and weight of Indene oxide?

The molecular formula of Indene oxide is C9H8O and its molar mass is 132.16 g/mol.

What is Indene oxide used for?

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

Is Indene oxide hazardous?

Indene oxide carries the GHS signal word "Warning". Main hazards: harmful if swallowed, harmful in contact with skin, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Indene oxide?

Indene oxide is usually classified under HS code 291090 (Epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Indene oxide?

CompoundList lists 1 supplier of Indene oxide in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Indene oxide?

Suppliers quote Indene 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 Indene 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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