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CAS No.: | 3173-79-3 |
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Name: | 2,2-dimethyl-3-isopropyliden-beta-propiolactone |
Article Data: | 13 |
Molecular Structure: | |
Formula: | C8H12 O2 |
Molecular Weight: | 140.182 |
Synonyms: | 2-Oxetanone,4-isopropylidene-3,3-dimethyl- (8CI); 3-Pentenoic acid,3-hydroxy-2,2,4-trimethyl-, b-lactone (7CI); 2,2,4-Trimethyl-3-hydroxy-3-pentenoic acid lactone;2,2,4-Trimethyl-3-hydroxy-3-pentenoic acid, b-lactone; 2,2,4-Trimethylpent-3-en-3-olide;3-Hydroxy-2,2,4-trimethyl-3-pentenoic b-lactone; Dimethylketene dimer; NSC 74312; b-Lactone of 2,2,4-Trimethyl-3-hydroxy-3-pentenoicacid |
Density: | 1.009g/cm3 |
Melting Point: | -18°C |
Boiling Point: | 170°Cat760mmHg |
Flash Point: | 62.8°C |
Safety: | Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and fumes. |
PSA: | 26.30000 |
LogP: | 1.86330 |
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IUPAC Name: 3,3-Dimethyl-4-propan-2-ylideneoxetan-2-one
Synonyms: 2,2, 4-Trimethyl-3-hydroxy-3-pentenoic acid-beta-lactone ; 2,2,4-Trimethyl-3-hydroxy-3-pentenoic acid beta lactone ; 2,2-Dimethyl-3-isopropyliden-beta-propiolactone ; 2-Oxetanone, 3, 3-dimethyl-4- (1-methylethylidene)- ; 3-Hydroxy-2,2,4-trimethyl-3-pentenoic acid, beta-lactone ; 3-Hydroxy-2,2,4-trimethyl-3-pentenoic acid, beta-lactone ; 3-Pentenoic acid, 3-hydroxy-2,2,4-trimethyl-, beta-lactone ; 4-Isopropylidene-3,3-dimethyl-2-oxetanone ; Dimethylketene dimer ; Dimethylketene-beta-lactone dimer ; 4-Isopropylidene-3,3-dimethyloxetan-2-one
The Molecular Formula of 4-Isopropylidene-3,3-dimethyloxetan-2-one (CAS NO.3173-79-3):C8H12O2
The Molecular Weight of 4-Isopropylidene-3,3-dimethyloxetan-2-one (CAS NO.3173-79-3):140.179680 g/mol
The Molecular Structure of 4-Isopropylidene-3,3-dimethyloxetan-2-one (CAS NO.3173-79-3):
Index of Refraction: 1.464
Molar Refractivity: 38.37 cm3
Molar Volume: 138.8 cm3
Surface Tension: 29.2 dyne/cm
Density: 1.009 g/cm3
Flash Point: 62.8 °C
Enthalpy of Vaporization: 40.64 kJ/mol
Boiling Point: 170 °C at 760 mmHg
Vapour Pressure: 1.5 mmHg at 25°C
Questionable carcinogen with experimental tumorigenic data. When heated to decomposition it emits acrid smoke and fumes.