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| English name： | Propiolactone |
| English Synonym： | Propiolactone;b-Propiolactone;b-Propiolactone Solution;β-Hydroxypropionic Acid Lactone;β-Propionolactone;Hydracrylicacid, b-lactone (6CI);3-Hydroxypropionic acid lactone;3-Propanolide;Betaprone;NSC 21626;Propanoic acid, 3-hydroxy-, b-lactone;b-Propionolactone;β-Propiolactone;Propanolide;Propionolactone;Oxetanone;oxetan-2-one;beta-Propiolactone? Hydracrylic Acid beta Lactone;Beta-PROPIOLACTONE (2-OXETANONE);beta-Propiolactone;beta-propionolactone;betaprone;BPL;beta3-Propiolactone;3-Propiolactone;3-hydroxypropionic acid lactone;3-hydroxypropionic acid beta-lactone;2-Oxetanone;1,3-Propiolactone |
| Chinese Synonym： | 丙醇酸丙酯;beta-Propiolactone β-丙内酯;beta-丙内酯;已内酯;1,3-丙醇酸内酯;β-丙酸内酯;β-丙内酯;丙内酯;羟基丙酸-β-内酯;β-丙酰内酯 |
| CAS No.： | 57-57-8 |
| Molecular formula： | C3H4O2 |
| Molecular weight： | 72.06 |
| Density： | 1.146g/mL at 25℃(lit.) |
| Melting point： | −33℃ |
| Boiling point： | 162℃(lit.) |
| Flash point： | 158°F |
| Purity： | 96% |
| Dangerous goods level： | |
| HS： | |
| Hazard statement： |
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