a -Methylene Butyrolactone CAS Registry Number: 547-65-9 α-亚甲基-γ-丁内酯
CAS Name: 4,5-Dihydro-3-methylene-2(3H)-furanone
Percent Composition: C 61.22%, H 6.16%, O 32.62%
📌 参考资料/链接：
Literature References: Isoln from aq extracts of Erythronium americanum Ker., Liliaceae (dogtooth violet): Cavallito, Haskell, J. Am. Chem. Soc. 68, 2332 (1946).
📄 详细内容
Properties: Liquid. Polymerizes easily when heated above 70°. bp2 57-60°. Sol in water. pH 4 (150 mg/ml). The lactone is present in all parts of the plant and can be extracted easily with water, but not with ethanol, ether, ethyl acetate or chloroform.
Boiling point: bp2 57-60°
CAUTION: Irritating to the skin.
产品链接: 547-65-9››