Cyclobutanecarboxylic acid is the organic compound with the formula C4H7CO2H. It is a colorless nonvolatile liquid. It can be prepared by decarboxylation of 1,1-cyclobutanedicarboxylic acid.[2] Cyclobutanecarboxylic acid is an intermediate in organic synthesis. For example, it is a precursor to cyclobutylamine.[3]
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3D model (JSmol) |
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| ChemSpider | |
| ECHA InfoCard | 100.020.975 
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CompTox Dashboard (EPA) |
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| Properties | |
| C5H8O2 | |
| Molar mass | 100.117 g·mol−1 |
| Appearance | colorless liquid |
| Melting point | −7.5 °C (18.5 °F; 265.6 K) |
| Boiling point | 191.5–193.5 °C (376.7–380.3 °F; 464.6–466.6 K) 740 mm |
| Hazards | |
| GHS labelling:[1] | |
 
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| Danger | |
| H302, H312, H314, H332 | |
| P260, P261, P264, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P354+P338, P316, P317, P321, P330, P362+P364, P363, P405, P501 | |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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