273007
γ-Methylene-γ-butyrolactone
99%
Synonym(s):
α′-Angelicalactone, 5-Methylenedihydro-2(3H)-furanone
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About This Item
Empirical Formula (Hill Notation):
C5H6O2
CAS Number:
Molecular Weight:
98.10
Beilstein:
1560870
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
99%
form
liquid
refractive index
n20/D 1.466 (lit.)
bp
80 °C/17 mmHg (lit.)
density
1.096 g/mL at 25 °C (lit.)
SMILES string
C=C1CCC(=O)O1
InChI
1S/C5H6O2/c1-4-2-3-5(6)7-4/h1-3H2
InChI key
SIFBVNDLLGPEKT-UHFFFAOYSA-N
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General description
The relative thermodynamic stabilities of γ-methylene-γ-butyrolactone were studied using chemical equilibration in cyclohexane and dipentyl ether solutions at several temperatures.
Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class Code
10 - Combustible liquids
WGK
WGK 3
Flash Point(F)
194.0 °F - closed cup
Flash Point(C)
90 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Relative thermodynamic stabilities of ?-methylene-?-butyrolactone and ?-angelicalactone.
Tetrahedron, 50(6), 1885-1888 (1994)
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