• Name

  3-Oxocyclobutanecarboxylic acid

• EINECS
• CAS No. 23761-23-1
• Article Data17
• CAS DataBase
• Density 1.431 g/cm³
• Solubility Slightly soluble in water.
• Melting Point 58-60 °C
• Formula C₅H₆O₃
• Boiling Point 296.5 °C at 760 mmHg
• Molecular Weight 114.101
• Flash Point 147.3 °C
• Transport Information
• Appearance
• Safety 26-37-60
• Risk Codes 22
• Molecular Structure
• Hazard Symbols Xn
• Synonyms (3-Oxocyclobutyl)carboxylic acid;3-Oxo-cyclobutanecarboxylic acid;
• PSA 54.37000
• LogP 0.05010

Synthetic route

115118-68-8

3,3-dimethoxycyclobutane-1,1-dicarboxylic acid diisopropyl ester

23761-23-1

3-oxocyclobutanecarboxylic acid

Conditions

Conditions	Yield
With hydrogenchloride In water for 10h; Reflux;	98%
With hydrogenchloride for 60h; Heating;	97%
With hydrogenchloride; water for 60h; Heating / reflux;	96.8%

115118-67-7

diethyl 3,3-dimethoxycyclobutane-1,1-dicarboxylate

23761-23-1

3-oxocyclobutanecarboxylic acid

Conditions

Conditions	Yield
With hydrogenchloride; water for 50h; Heating / reflux;	70%

15760-36-8

3-methylenecyclobutane-1-carboxylic acid

23761-23-1

3-oxocyclobutanecarboxylic acid

Conditions

Conditions	Yield
With sodium periodate; osmium(VIII) oxide
With potassium osmate(VI) dihydrate; sodium periodate In tetrahydrofuran; water at 28℃; Industry scale;

15760-35-7

3-methylenecyclobutanecarbonitrile

23761-23-1

3-oxocyclobutanecarboxylic acid

Conditions

Conditions	Yield
Multi-step reaction with 2 steps 1: water; potassium hydroxide / ethanol / 2 h / Reflux 2: potassium osmate(VI) dihydrate; sodium periodate / tetrahydrofuran; water / 28 °C / Industry scale View Scheme

3-Oxocyclobutanecarboxylic acid Chemical Properties

3-Oxocyclobutanecarboxylic acid Specification