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CAS No 547-65-9 , 3-methylideneoxolan-2-one Search by region : Germany

  • Name: 3-methylideneoxolan-2-one
  • Synonyms: dihydro-3-methylene-; 3-Methylenedihydro-2(3H)-furanone; Tulipane;alpha-Methylene-gamma-butyrolactone;3-methylideneoxolan-2-one; 2(3H)-Furanone; 547-65-9;
  • CAS Registry Number:
  • Transport: 1993
  • Melting Point: 190 - 195
  • Flash Point: 37 ºC
  • Boiling Point: 204.4°Cat760mmHg
  • Density: 1.119
  • Refractive index: 1.471-1.475
  • Safety Statements: S23;S36/37
  • Hazard Symbols: Xn: Harmful;
  • Flash Point: 37 ºC
  • EINECS: 208-931-6
  • Molecular Weight: 98.09994
  • InchiKey: GSLDEZOOOSBFGP-UHFFFAOYSA-N
  • InChI: InChI=1S/C5H6O2/c1-4-2-3-7-5(4)6/h1-3H2
  • Risk Statements: R42/43
  • Molecular Formula: C5H6O2
  • Molecular Structure:CAS No:547-65-9 3-methylideneoxolan-2-one

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547-65-9 ALPHA-METHYLENE-GAMMA-BUTYROLACTONE; 95%

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References of 3-methylideneoxolan-2-one
Title: a-Methylene Butyrolactone
CAS Registry Number: 547-65-9
CAS Name: 4,5-Dihydro-3-methylene-2(3H)-furanone
Molecular Formula: C5H6O2
Molecular Weight: 98.10
Percent Composition: C 61.22%, H 6.16%, O 32.62%
Literature References: Isoln from aq extracts of Erythronium americanum Ker., Liliaceae (dogtooth violet): Cavallito, Haskell, J. Am. Chem. Soc. 68, 2332 (1946).
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.