3-oxabicyclo[2.2.0]hex-5-en-2-one

Modify Date: 2026-08-15 14:53:11

3-oxabicyclo[2.2.0]hex-5-en-2-one Structure
3-oxabicyclo[2.2.0]hex-5-en-2-one structure
Common Name 3-oxabicyclo[2.2.0]hex-5-en-2-one
CAS Number 22980-23-0 Molecular Weight 96.08410
Density 1.406g/cm3 Boiling Point 191.4ºC at 760mmHg
Molecular Formula C5H4O2 Melting Point N/A
MSDS N/A Flash Point 66.9ºC

Summary: 3-Oxabicyclo[2.2.0]hex-5-en-2-one (CAS Number: 22980-23-0), molecular formula: C5H4O2, molecular weight: 96.08410. For research-use only, not for medical or clinical usage.


 Names

This table lists Chinese names, IUPAC names and various aliases of this chemical substance.

Name 3-oxabicyclo[2.2.0]hex-5-en-2-one
Synonym More Synonyms

 Chemical & Physical Properties

This table shows physicochemical parameters including melting point, boiling point, density, solubility and optical rotation. Missing data is marked as N/A.

Density 1.406g/cm3
Boiling Point 191.4ºC at 760mmHg
Molecular Formula C5H4O2
Molecular Weight 96.08410
Flash Point 66.9ºC
Exact Mass 96.02110
PSA 26.30000
LogP 0.09780
Vapour Pressure 0.515mmHg at 25°C
Index of Refraction 1.571
InChIKey QAVYTTBRXJVSNJ-UHFFFAOYSA-N
SMILES O=C1OC2C=CC12

 Precursor & DownStream

This table lists upstream starting materials and downstream derivative products related to this chemical.

Precursor  2

DownStream  0

 Synonyms

This table collects all English aliases, systematic names and CAS‑related synonyms of the compound.

5-Oxa-bicyclo&lt

 3-oxabicyclo[2.2.0]hex-5-en-2-one | FAQ

This section contains frequently‑asked‑questions about this compound, including basic parameters, properties, storage conditions and corresponding answers.

Q: What is the LogP of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: LogP of 3-oxabicyclo[2.2.0]hex-5-en-2-one is 0.09780.
Q: What is the Chinese name of 22980-23-0?
A: Chinese name of 22980-23-0 is 22980-23-0.
Q: What is the CAS number of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: CAS number of 3-oxabicyclo[2.2.0]hex-5-en-2-one is 22980-23-0.
Q: What is the molecular weight of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: Molecular weight of 3-oxabicyclo[2.2.0]hex-5-en-2-one is 96.08410.
Q: What is the InChIKey of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: InChIKey of 3-oxabicyclo[2.2.0]hex-5-en-2-one is QAVYTTBRXJVSNJ-UHFFFAOYSA-N.
Q: What English synonyms does 3-oxabicyclo[2.2.0]hex-5-en-2-one have?
A: English synonyms of 3-oxabicyclo[2.2.0]hex-5-en-2-one: 5-Oxa-bicyclo<.
Q: What is the polar surface area (PSA) of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: Polar surface area (PSA) of 3-oxabicyclo[2.2.0]hex-5-en-2-one is 26.30000.
Q: What is the English name of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: The English name of 3-oxabicyclo[2.2.0]hex-5-en-2-one is 3-oxabicyclo[2.2.0]hex-5-en-2-one.
Q: What is the molecular formula of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: Molecular formula of 3-oxabicyclo[2.2.0]hex-5-en-2-one is C5H4O2.
Q: What is the SMILES notation of 3-oxabicyclo[2.2.0]hex-5-en-2-one?
A: SMILES notation of 3-oxabicyclo[2.2.0]hex-5-en-2-one is O=C1OC2C=CC12.
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